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master.cf000066600000011771150471302410006361 0ustar00# # Postfix master process configuration file. For details on the format # of the file, see the master(5) manual page (command: "man 5 master"). # # Do not forget to execute "postfix reload" after editing this file. # # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== smtp inet n - n - - smtpd #submission inet n - n - - smtpd # -o smtpd_tls_security_level=encrypt # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #smtps inet n - n - - smtpd # -o smtpd_tls_wrappermode=yes # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #628 inet n - n - - qmqpd pickup fifo n - n 60 1 pickup cleanup unix n - n - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - n 300 1 oqmgr tlsmgr unix - - n 1000? 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - n - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - n - - smtp -o smtp_fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - n - - showq error unix - - n - - error retry unix - - n - - error discard unix - - n - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil scache unix - - n - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # # Many of the following services use the Postfix pipe(8) delivery # agent. See the pipe(8) man page for information about ${recipient} # and other message envelope options. # ==================================================================== # # maildrop. See the Postfix MAILDROP_README file for details. # Also specify in main.cf: maildrop_destination_recipient_limit=1 # #maildrop unix - n n - - pipe # flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient} # # ==================================================================== # # The Cyrus deliver program has changed incompatibly, multiple times. # #old-cyrus unix - n n - - pipe # flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user} # # ==================================================================== # # Cyrus 2.1.5 (Amos Gouaux) # Also specify in main.cf: cyrus_destination_recipient_limit=1 # #cyrus unix - n n - - pipe # user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user} # # ==================================================================== # # See the Postfix UUCP_README file for configuration details. # #uucp unix - n n - - pipe # flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # ==================================================================== # # Other external delivery methods. # #ifmail unix - n n - - pipe # flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) # #bsmtp unix - n n - - pipe # flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient # #scalemail-backend unix - n n - 2 pipe # flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store # ${nexthop} ${user} ${extension} # #mailman unix - n n - - pipe # flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py # ${nexthop} ${user} virtual000066600000030316150471302410006161 0ustar00# VIRTUAL(5) VIRTUAL(5) # # NAME # virtual - Postfix virtual alias table format # # SYNOPSIS # postmap /etc/postfix/virtual # # postmap -q "string" /etc/postfix/virtual # # postmap -q - /etc/postfix/virtual $/ # REJECT IFRAME vulnerability exploit # # SEE ALSO # cleanup(8), canonicalize and enqueue Postfix message # pcre_table(5), format of PCRE lookup tables # regexp_table(5), format of POSIX regular expression tables # postconf(1), Postfix configuration utility # postmap(1), Postfix lookup table management # postsuper(1), Postfix janitor # postcat(1), show Postfix queue file contents # RFC 2045, base64 and quoted-printable encoding rules # RFC 2047, message header encoding for non-ASCII text # # README FILES # Use "postconf readme_directory" or "postconf html_direc- # tory" to locate this information. # DATABASE_README, Postfix lookup table overview # CONTENT_INSPECTION_README, Postfix content inspection overview # BUILTIN_FILTER_README, Postfix built-in content inspection # BACKSCATTER_README, blocking returned forged mail # # LICENSE # The Secure Mailer license must be distributed with this # software. # # AUTHOR(S) # Wietse Venema # IBM T.J. Watson Research # P.O. Box 704 # Yorktown Heights, NY 10598, USA # # HEADER_CHECKS(5) main.cf000066600000064606150471302410006017 0ustar00# Global Postfix configuration file. This file lists only a subset # of all parameters. For the syntax, and for a complete parameter # list, see the postconf(5) manual page (command: "man 5 postconf"). # # For common configuration examples, see BASIC_CONFIGURATION_README # and STANDARD_CONFIGURATION_README. To find these documents, use # the command "postconf html_directory readme_directory", or go to # http://www.postfix.org/. # # For best results, change no more than 2-3 parameters at a time, # and test if Postfix still works after every change. # SOFT BOUNCE # # The soft_bounce parameter provides a limited safety net for # testing. When soft_bounce is enabled, mail will remain queued that # would otherwise bounce. This parameter disables locally-generated # bounces, and prevents the SMTP server from rejecting mail permanently # (by changing 5xx replies into 4xx replies). However, soft_bounce # is no cure for address rewriting mistakes or mail routing mistakes. # #soft_bounce = no # LOCAL PATHNAME INFORMATION # # The queue_directory specifies the location of the Postfix queue. # This is also the root directory of Postfix daemons that run chrooted. # See the files in examples/chroot-setup for setting up Postfix chroot # environments on different UNIX systems. # queue_directory = /var/spool/postfix # The command_directory parameter specifies the location of all # postXXX commands. # command_directory = /usr/sbin # The daemon_directory parameter specifies the location of all Postfix # daemon programs (i.e. programs listed in the master.cf file). This # directory must be owned by root. # daemon_directory = /usr/libexec/postfix # The data_directory parameter specifies the location of Postfix-writable # data files (caches, random numbers). This directory must be owned # by the mail_owner account (see below). # data_directory = /var/lib/postfix # QUEUE AND PROCESS OWNERSHIP # # The mail_owner parameter specifies the owner of the Postfix queue # and of most Postfix daemon processes. Specify the name of a user # account THAT DOES NOT SHARE ITS USER OR GROUP ID WITH OTHER ACCOUNTS # AND THAT OWNS NO OTHER FILES OR PROCESSES ON THE SYSTEM. In # particular, don't specify nobody or daemon. PLEASE USE A DEDICATED # USER. # mail_owner = postfix # The default_privs parameter specifies the default rights used by # the local delivery agent for delivery to external file or command. # These rights are used in the absence of a recipient user context. # DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER. # #default_privs = nobody # INTERNET HOST AND DOMAIN NAMES # # The myhostname parameter specifies the internet hostname of this # mail system. The default is to use the fully-qualified domain name # from gethostname(). $myhostname is used as a default value for many # other configuration parameters. # #myhostname = host.domain.tld #myhostname = virtual.domain.tld # The mydomain parameter specifies the local internet domain name. # The default is to use $myhostname minus the first component. # $mydomain is used as a default value for many other configuration # parameters. # #mydomain = domain.tld # SENDING MAIL # # The myorigin parameter specifies the domain that locally-posted # mail appears to come from. The default is to append $myhostname, # which is fine for small sites. If you run a domain with multiple # machines, you should (1) change this to $mydomain and (2) set up # a domain-wide alias database that aliases each user to # user@that.users.mailhost. # # For the sake of consistency between sender and recipient addresses, # myorigin also specifies the default domain name that is appended # to recipient addresses that have no @domain part. # #myorigin = $myhostname #myorigin = $mydomain # RECEIVING MAIL # The inet_interfaces parameter specifies the network interface # addresses that this mail system receives mail on. By default, # the software claims all active interfaces on the machine. The # parameter also controls delivery of mail to user@[ip.address]. # # See also the proxy_interfaces parameter, for network addresses that # are forwarded to us via a proxy or network address translator. # # Note: you need to stop/start Postfix when this parameter changes. # #inet_interfaces = all #inet_interfaces = $myhostname #inet_interfaces = $myhostname, localhost inet_interfaces = localhost # Enable IPv4, and IPv6 if supported inet_protocols = all # The proxy_interfaces parameter specifies the network interface # addresses that this mail system receives mail on by way of a # proxy or network address translation unit. This setting extends # the address list specified with the inet_interfaces parameter. # # You must specify your proxy/NAT addresses when your system is a # backup MX host for other domains, otherwise mail delivery loops # will happen when the primary MX host is down. # #proxy_interfaces = #proxy_interfaces = 1.2.3.4 # The mydestination parameter specifies the list of domains that this # machine considers itself the final destination for. # # These domains are routed to the delivery agent specified with the # local_transport parameter setting. By default, that is the UNIX # compatible delivery agent that lookups all recipients in /etc/passwd # and /etc/aliases or their equivalent. # # The default is $myhostname + localhost.$mydomain. On a mail domain # gateway, you should also include $mydomain. # # Do not specify the names of virtual domains - those domains are # specified elsewhere (see VIRTUAL_README). # # Do not specify the names of domains that this machine is backup MX # host for. Specify those names via the relay_domains settings for # the SMTP server, or use permit_mx_backup if you are lazy (see # STANDARD_CONFIGURATION_README). # # The local machine is always the final destination for mail addressed # to user@[the.net.work.address] of an interface that the mail system # receives mail on (see the inet_interfaces parameter). # # Specify a list of host or domain names, /file/name or type:table # patterns, separated by commas and/or whitespace. A /file/name # pattern is replaced by its contents; a type:table is matched when # a name matches a lookup key (the right-hand side is ignored). # Continue long lines by starting the next line with whitespace. # # See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS". # mydestination = $myhostname, localhost.$mydomain, localhost #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain, # mail.$mydomain, www.$mydomain, ftp.$mydomain # REJECTING MAIL FOR UNKNOWN LOCAL USERS # # The local_recipient_maps parameter specifies optional lookup tables # with all names or addresses of users that are local with respect # to $mydestination, $inet_interfaces or $proxy_interfaces. # # If this parameter is defined, then the SMTP server will reject # mail for unknown local users. This parameter is defined by default. # # To turn off local recipient checking in the SMTP server, specify # local_recipient_maps = (i.e. empty). # # The default setting assumes that you use the default Postfix local # delivery agent for local delivery. You need to update the # local_recipient_maps setting if: # # - You define $mydestination domain recipients in files other than # /etc/passwd, /etc/aliases, or the $virtual_alias_maps files. # For example, you define $mydestination domain recipients in # the $virtual_mailbox_maps files. # # - You redefine the local delivery agent in master.cf. # # - You redefine the "local_transport" setting in main.cf. # # - You use the "luser_relay", "mailbox_transport", or "fallback_transport" # feature of the Postfix local delivery agent (see local(8)). # # Details are described in the LOCAL_RECIPIENT_README file. # # Beware: if the Postfix SMTP server runs chrooted, you probably have # to access the passwd file via the proxymap service, in order to # overcome chroot restrictions. The alternative, having a copy of # the system passwd file in the chroot jail is just not practical. # # The right-hand side of the lookup tables is conveniently ignored. # In the left-hand side, specify a bare username, an @domain.tld # wild-card, or specify a user@domain.tld address. # #local_recipient_maps = unix:passwd.byname $alias_maps #local_recipient_maps = proxy:unix:passwd.byname $alias_maps #local_recipient_maps = # The unknown_local_recipient_reject_code specifies the SMTP server # response code when a recipient domain matches $mydestination or # ${proxy,inet}_interfaces, while $local_recipient_maps is non-empty # and the recipient address or address local-part is not found. # # The default setting is 550 (reject mail) but it is safer to start # with 450 (try again later) until you are certain that your # local_recipient_maps settings are OK. # unknown_local_recipient_reject_code = 550 # TRUST AND RELAY CONTROL # The mynetworks parameter specifies the list of "trusted" SMTP # clients that have more privileges than "strangers". # # In particular, "trusted" SMTP clients are allowed to relay mail # through Postfix. See the smtpd_recipient_restrictions parameter # in postconf(5). # # You can specify the list of "trusted" network addresses by hand # or you can let Postfix do it for you (which is the default). # # By default (mynetworks_style = subnet), Postfix "trusts" SMTP # clients in the same IP subnetworks as the local machine. # On Linux, this does works correctly only with interfaces specified # with the "ifconfig" command. # # Specify "mynetworks_style = class" when Postfix should "trust" SMTP # clients in the same IP class A/B/C networks as the local machine. # Don't do this with a dialup site - it would cause Postfix to "trust" # your entire provider's network. Instead, specify an explicit # mynetworks list by hand, as described below. # # Specify "mynetworks_style = host" when Postfix should "trust" # only the local machine. # #mynetworks_style = class #mynetworks_style = subnet #mynetworks_style = host # Alternatively, you can specify the mynetworks list by hand, in # which case Postfix ignores the mynetworks_style setting. # # Specify an explicit list of network/netmask patterns, where the # mask specifies the number of bits in the network part of a host # address. # # You can also specify the absolute pathname of a pattern file instead # of listing the patterns here. Specify type:table for table-based lookups # (the value on the table right-hand side is not used). # #mynetworks = 168.100.189.0/28, 127.0.0.0/8 #mynetworks = $config_directory/mynetworks #mynetworks = hash:/etc/postfix/network_table # The relay_domains parameter restricts what destinations this system will # relay mail to. See the smtpd_recipient_restrictions description in # postconf(5) for detailed information. # # By default, Postfix relays mail # - from "trusted" clients (IP address matches $mynetworks) to any destination, # - from "untrusted" clients to destinations that match $relay_domains or # subdomains thereof, except addresses with sender-specified routing. # The default relay_domains value is $mydestination. # # In addition to the above, the Postfix SMTP server by default accepts mail # that Postfix is final destination for: # - destinations that match $inet_interfaces or $proxy_interfaces, # - destinations that match $mydestination # - destinations that match $virtual_alias_domains, # - destinations that match $virtual_mailbox_domains. # These destinations do not need to be listed in $relay_domains. # # Specify a list of hosts or domains, /file/name patterns or type:name # lookup tables, separated by commas and/or whitespace. Continue # long lines by starting the next line with whitespace. A file name # is replaced by its contents; a type:name table is matched when a # (parent) domain appears as lookup key. # # NOTE: Postfix will not automatically forward mail for domains that # list this system as their primary or backup MX host. See the # permit_mx_backup restriction description in postconf(5). # #relay_domains = $mydestination # INTERNET OR INTRANET # The relayhost parameter specifies the default host to send mail to # when no entry is matched in the optional transport(5) table. When # no relayhost is given, mail is routed directly to the destination. # # On an intranet, specify the organizational domain name. If your # internal DNS uses no MX records, specify the name of the intranet # gateway host instead. # # In the case of SMTP, specify a domain, host, host:port, [host]:port, # [address] or [address]:port; the form [host] turns off MX lookups. # # If you're connected via UUCP, see also the default_transport parameter. # #relayhost = $mydomain #relayhost = [gateway.my.domain] #relayhost = [mailserver.isp.tld] #relayhost = uucphost #relayhost = [an.ip.add.ress] # REJECTING UNKNOWN RELAY USERS # # The relay_recipient_maps parameter specifies optional lookup tables # with all addresses in the domains that match $relay_domains. # # If this parameter is defined, then the SMTP server will reject # mail for unknown relay users. This feature is off by default. # # The right-hand side of the lookup tables is conveniently ignored. # In the left-hand side, specify an @domain.tld wild-card, or specify # a user@domain.tld address. # #relay_recipient_maps = hash:/etc/postfix/relay_recipients # INPUT RATE CONTROL # # The in_flow_delay configuration parameter implements mail input # flow control. This feature is turned on by default, although it # still needs further development (it's disabled on SCO UNIX due # to an SCO bug). # # A Postfix process will pause for $in_flow_delay seconds before # accepting a new message, when the message arrival rate exceeds the # message delivery rate. With the default 100 SMTP server process # limit, this limits the mail inflow to 100 messages a second more # than the number of messages delivered per second. # # Specify 0 to disable the feature. Valid delays are 0..10. # #in_flow_delay = 1s # ADDRESS REWRITING # # The ADDRESS_REWRITING_README document gives information about # address masquerading or other forms of address rewriting including # username->Firstname.Lastname mapping. # ADDRESS REDIRECTION (VIRTUAL DOMAIN) # # The VIRTUAL_README document gives information about the many forms # of domain hosting that Postfix supports. # "USER HAS MOVED" BOUNCE MESSAGES # # See the discussion in the ADDRESS_REWRITING_README document. # TRANSPORT MAP # # See the discussion in the ADDRESS_REWRITING_README document. # ALIAS DATABASE # # The alias_maps parameter specifies the list of alias databases used # by the local delivery agent. The default list is system dependent. # # On systems with NIS, the default is to search the local alias # database, then the NIS alias database. See aliases(5) for syntax # details. # # If you change the alias database, run "postalias /etc/aliases" (or # wherever your system stores the mail alias file), or simply run # "newaliases" to build the necessary DBM or DB file. # # It will take a minute or so before changes become visible. Use # "postfix reload" to eliminate the delay. # #alias_maps = dbm:/etc/aliases alias_maps = hash:/etc/aliases #alias_maps = hash:/etc/aliases, nis:mail.aliases #alias_maps = netinfo:/aliases # The alias_database parameter specifies the alias database(s) that # are built with "newaliases" or "sendmail -bi". This is a separate # configuration parameter, because alias_maps (see above) may specify # tables that are not necessarily all under control by Postfix. # #alias_database = dbm:/etc/aliases #alias_database = dbm:/etc/mail/aliases alias_database = hash:/etc/aliases #alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases # ADDRESS EXTENSIONS (e.g., user+foo) # # The recipient_delimiter parameter specifies the separator between # user names and address extensions (user+foo). See canonical(5), # local(8), relocated(5) and virtual(5) for the effects this has on # aliases, canonical, virtual, relocated and .forward file lookups. # Basically, the software tries user+foo and .forward+foo before # trying user and .forward. # #recipient_delimiter = + # DELIVERY TO MAILBOX # # The home_mailbox parameter specifies the optional pathname of a # mailbox file relative to a user's home directory. The default # mailbox file is /var/spool/mail/user or /var/mail/user. Specify # "Maildir/" for qmail-style delivery (the / is required). # #home_mailbox = Mailbox #home_mailbox = Maildir/ # The mail_spool_directory parameter specifies the directory where # UNIX-style mailboxes are kept. The default setting depends on the # system type. # #mail_spool_directory = /var/mail #mail_spool_directory = /var/spool/mail # The mailbox_command parameter specifies the optional external # command to use instead of mailbox delivery. The command is run as # the recipient with proper HOME, SHELL and LOGNAME environment settings. # Exception: delivery for root is done as $default_user. # # Other environment variables of interest: USER (recipient username), # EXTENSION (address extension), DOMAIN (domain part of address), # and LOCAL (the address localpart). # # Unlike other Postfix configuration parameters, the mailbox_command # parameter is not subjected to $parameter substitutions. This is to # make it easier to specify shell syntax (see example below). # # Avoid shell meta characters because they will force Postfix to run # an expensive shell process. Procmail alone is expensive enough. # # IF YOU USE THIS TO DELIVER MAIL SYSTEM-WIDE, YOU MUST SET UP AN # ALIAS THAT FORWARDS MAIL FOR ROOT TO A REAL USER. # #mailbox_command = /some/where/procmail #mailbox_command = /some/where/procmail -a "$EXTENSION" # The mailbox_transport specifies the optional transport in master.cf # to use after processing aliases and .forward files. This parameter # has precedence over the mailbox_command, fallback_transport and # luser_relay parameters. # # Specify a string of the form transport:nexthop, where transport is # the name of a mail delivery transport defined in master.cf. The # :nexthop part is optional. For more details see the sample transport # configuration file. # # NOTE: if you use this feature for accounts not in the UNIX password # file, then you must update the "local_recipient_maps" setting in # the main.cf file, otherwise the SMTP server will reject mail for # non-UNIX accounts with "User unknown in local recipient table". # #mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp # If using the cyrus-imapd IMAP server deliver local mail to the IMAP # server using LMTP (Local Mail Transport Protocol), this is prefered # over the older cyrus deliver program by setting the # mailbox_transport as below: # # mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp # # The efficiency of LMTP delivery for cyrus-imapd can be enhanced via # these settings. # # local_destination_recipient_limit = 300 # local_destination_concurrency_limit = 5 # # Of course you should adjust these settings as appropriate for the # capacity of the hardware you are using. The recipient limit setting # can be used to take advantage of the single instance message store # capability of Cyrus. The concurrency limit can be used to control # how many simultaneous LMTP sessions will be permitted to the Cyrus # message store. # # To use the old cyrus deliver program you have to set: #mailbox_transport = cyrus # The fallback_transport specifies the optional transport in master.cf # to use for recipients that are not found in the UNIX passwd database. # This parameter has precedence over the luser_relay parameter. # # Specify a string of the form transport:nexthop, where transport is # the name of a mail delivery transport defined in master.cf. The # :nexthop part is optional. For more details see the sample transport # configuration file. # # NOTE: if you use this feature for accounts not in the UNIX password # file, then you must update the "local_recipient_maps" setting in # the main.cf file, otherwise the SMTP server will reject mail for # non-UNIX accounts with "User unknown in local recipient table". # #fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp #fallback_transport = # The luser_relay parameter specifies an optional destination address # for unknown recipients. By default, mail for unknown@$mydestination, # unknown@[$inet_interfaces] or unknown@[$proxy_interfaces] is returned # as undeliverable. # # The following expansions are done on luser_relay: $user (recipient # username), $shell (recipient shell), $home (recipient home directory), # $recipient (full recipient address), $extension (recipient address # extension), $domain (recipient domain), $local (entire recipient # localpart), $recipient_delimiter. Specify ${name?value} or # ${name:value} to expand value only when $name does (does not) exist. # # luser_relay works only for the default Postfix local delivery agent. # # NOTE: if you use this feature for accounts not in the UNIX password # file, then you must specify "local_recipient_maps =" (i.e. empty) in # the main.cf file, otherwise the SMTP server will reject mail for # non-UNIX accounts with "User unknown in local recipient table". # #luser_relay = $user@other.host #luser_relay = $local@other.host #luser_relay = admin+$local # JUNK MAIL CONTROLS # # The controls listed here are only a very small subset. The file # SMTPD_ACCESS_README provides an overview. # The header_checks parameter specifies an optional table with patterns # that each logical message header is matched against, including # headers that span multiple physical lines. # # By default, these patterns also apply to MIME headers and to the # headers of attached messages. With older Postfix versions, MIME and # attached message headers were treated as body text. # # For details, see "man header_checks". # #header_checks = regexp:/etc/postfix/header_checks # FAST ETRN SERVICE # # Postfix maintains per-destination logfiles with information about # deferred mail, so that mail can be flushed quickly with the SMTP # "ETRN domain.tld" command, or by executing "sendmail -qRdomain.tld". # See the ETRN_README document for a detailed description. # # The fast_flush_domains parameter controls what destinations are # eligible for this service. By default, they are all domains that # this server is willing to relay mail to. # #fast_flush_domains = $relay_domains # SHOW SOFTWARE VERSION OR NOT # # The smtpd_banner parameter specifies the text that follows the 220 # code in the SMTP server's greeting banner. Some people like to see # the mail version advertised. By default, Postfix shows no version. # # You MUST specify $myhostname at the start of the text. That is an # RFC requirement. Postfix itself does not care. # #smtpd_banner = $myhostname ESMTP $mail_name #smtpd_banner = $myhostname ESMTP $mail_name ($mail_version) # PARALLEL DELIVERY TO THE SAME DESTINATION # # How many parallel deliveries to the same user or domain? With local # delivery, it does not make sense to do massively parallel delivery # to the same user, because mailbox updates must happen sequentially, # and expensive pipelines in .forward files can cause disasters when # too many are run at the same time. With SMTP deliveries, 10 # simultaneous connections to the same domain could be sufficient to # raise eyebrows. # # Each message delivery transport has its XXX_destination_concurrency_limit # parameter. The default is $default_destination_concurrency_limit for # most delivery transports. For the local delivery agent the default is 2. #local_destination_concurrency_limit = 2 #default_destination_concurrency_limit = 20 # DEBUGGING CONTROL # # The debug_peer_level parameter specifies the increment in verbose # logging level when an SMTP client or server host name or address # matches a pattern in the debug_peer_list parameter. # debug_peer_level = 2 # The debug_peer_list parameter specifies an optional list of domain # or network patterns, /file/name patterns or type:name tables. When # an SMTP client or server host name or address matches a pattern, # increase the verbose logging level by the amount specified in the # debug_peer_level parameter. # #debug_peer_list = 127.0.0.1 #debug_peer_list = some.domain # The debugger_command specifies the external command that is executed # when a Postfix daemon program is run with the -D option. # # Use "command .. & sleep 5" so that the debugger can attach before # the process marches on. If you use an X-based debugger, be sure to # set up your XAUTHORITY environment variable before starting Postfix. # debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 # If you can't use X, use this to capture the call stack when a # daemon crashes. The result is in a file in the configuration # directory, and is named after the process name and the process ID. # # debugger_command = # PATH=/bin:/usr/bin:/usr/local/bin; export PATH; (echo cont; # echo where) | gdb $daemon_directory/$process_name $process_id 2>&1 # >$config_directory/$process_name.$process_id.log & sleep 5 # # Another possibility is to run gdb under a detached screen session. # To attach to the screen sesssion, su root and run "screen -r # " where uniquely matches one of the detached # sessions (from "screen -list"). # # debugger_command = # PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH; screen # -dmS $process_name gdb $daemon_directory/$process_name # $process_id & sleep 1 # INSTALL-TIME CONFIGURATION INFORMATION # # The following parameters are used when installing a new Postfix version. # # sendmail_path: The full pathname of the Postfix sendmail command. # This is the Sendmail-compatible mail posting interface. # sendmail_path = /usr/sbin/sendmail.postfix # newaliases_path: The full pathname of the Postfix newaliases command. # This is the Sendmail-compatible command to build alias databases. # newaliases_path = /usr/bin/newaliases.postfix # mailq_path: The full pathname of the Postfix mailq command. This # is the Sendmail-compatible mail queue listing command. # mailq_path = /usr/bin/mailq.postfix # setgid_group: The group for mail submission and queue management # commands. This must be a group name with a numerical group ID that # is not shared with other accounts, not even with the Postfix account. # setgid_group = postdrop # html_directory: The location of the Postfix HTML documentation. # html_directory = no # manpage_directory: The location of the Postfix on-line manual pages. # manpage_directory = /usr/share/man # sample_directory: The location of the Postfix sample configuration files. # This parameter is obsolete as of Postfix 2.1. # sample_directory = /usr/share/doc/postfix-2.6.6/samples # readme_directory: The location of the Postfix README files. # readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES access000066600000046173150471302410005744 0ustar00# ACCESS(5) ACCESS(5) # # NAME # access - Postfix SMTP server access table # # SYNOPSIS # postmap /etc/postfix/access # # postmap -q "string" /etc/postfix/access # # postmap -q - /etc/postfix/access as the lookup key for such addresses. The value is # specified with the smtpd_null_access_lookup_key parameter # in the Postfix main.cf file. # # EMAIL ADDRESS EXTENSION # When a mail address localpart contains the optional recip- # ient delimiter (e.g., user+foo@domain), the lookup order # becomes: user+foo@domain, user@domain, domain, user+foo@, # and user@. # # HOST NAME/ADDRESS PATTERNS # With lookups from indexed files such as DB or DBM, or from # networked tables such as NIS, LDAP or SQL, the following # lookup patterns are examined in the order as listed: # # domain.tld # Matches domain.tld. # # The pattern domain.tld also matches subdomains, but # only when the string smtpd_access_maps is listed in # the Postfix parent_domain_matches_subdomains con- # figuration setting. Otherwise, specify .domain.tld # (note the initial dot) in order to match subdo- # mains. # # net.work.addr.ess # # net.work.addr # # net.work # # net Matches the specified IPv4 host address or subnet- # work. An IPv4 host address is a sequence of four # decimal octets separated by ".". # # Subnetworks are matched by repeatedly truncating # the last ".octet" from the remote IPv4 host address # string until a match is found in the access table, # or until further truncation is not possible. # # NOTE 1: The access map lookup key must be in canon- # ical form: do not specify unnecessary null charac- # ters, and do not enclose network address informa- # tion with "[]" characters. # # NOTE 2: use the cidr lookup table type to specify # network/netmask patterns. See cidr_table(5) for # details. # # net:work:addr:ess # # net:work:addr # # net:work # # net Matches the specified IPv6 host address or subnet- # work. An IPv6 host address is a sequence of three # to eight hexadecimal octet pairs separated by ":". # # Subnetworks are matched by repeatedly truncating # the last ":octetpair" from the remote IPv6 host # address string until a match is found in the access # table, or until further truncation is not possible. # # NOTE 1: the truncation and comparison are done with # the string representation of the IPv6 host address. # Thus, not all the ":" subnetworks will be tried. # # NOTE 2: The access map lookup key must be in canon- # ical form: do not specify unnecessary null charac- # ters, and do not enclose network address informa- # tion with "[]" characters. # # NOTE 3: use the cidr lookup table type to specify # network/netmask patterns. See cidr_table(5) for # details. # # IPv6 support is available in Postfix 2.2 and later. # # ACCEPT ACTIONS # OK Accept the address etc. that matches the pattern. # # all-numerical # An all-numerical result is treated as OK. This for- # mat is generated by address-based relay authoriza- # tion schemes such as pop-before-smtp. # # REJECT ACTIONS # Postfix version 2.3 and later support enhanced status # codes as defined in RFC 3463. When no code is specified # at the beginning of the text below, Postfix inserts a # default enhanced status code of "5.7.1" in the case of # reject actions, and "4.7.1" in the case of defer actions. # See "ENHANCED STATUS CODES" below. # # 4NN text # # 5NN text # Reject the address etc. that matches the pattern, # and respond with the numerical three-digit code and # text. 4NN means "try again later", while 5NN means # "do not try again". # # The following responses have special meaning for # the Postfix SMTP server: # # 421 text (Postfix 2.3 and later) # # 521 text (Postfix 2.6 and later) # After responding with the numerical three- # digit code and text, disconnect immediately # from the SMTP client. This frees up SMTP # server resources so that they can be made # available to another SMTP client. # # Note: The "521" response should be used only # with botnets and other malware where inter- # operability is of no concern. The "send 521 # and disconnect" behavior is NOT defined in # the SMTP standard. # # REJECT optional text... # Reject the address etc. that matches the pattern. # Reply with "$access_map_reject_code optional # text..." when the optional text is specified, oth- # erwise reply with a generic error response message. # # DEFER optional text... # Reject the address etc. that matches the pattern. # Reply with "$access_map_defer_code optional # text..." when the optional text is specified, oth- # erwise reply with a generic error response message. # # This feature is available in Postfix 2.6 and later. # # DEFER_IF_REJECT optional text... # Defer the request if some later restriction would # result in a REJECT action. Reply with # "$access_map_defer_code 4.7.1 optional text..." # when the optional text is specified, otherwise # reply with a generic error response message. # # Prior to Postfix 2.6, the SMTP reply code is 450. # # This feature is available in Postfix 2.1 and later. # # DEFER_IF_PERMIT optional text... # Defer the request if some later restriction would # result in a an explicit or implicit PERMIT action. # Reply with "$access_map_defer_code 4.7.1 optional # text..." when the optional text is specified, oth- # erwise reply with a generic error response message. # # Prior to Postfix 2.6, the SMTP reply code is 450. # # This feature is available in Postfix 2.1 and later. # # OTHER ACTIONS # restriction... # Apply the named UCE restriction(s) (permit, reject, # reject_unauth_destination, and so on). # # BCC user@domain # Send one copy of the message to the specified # recipient. # # If multiple BCC actions are specified within the # same SMTP MAIL transaction, only the last action # will be used. # # This feature is not part of the stable Postfix # release. # # DISCARD optional text... # Claim successful delivery and silently discard the # message. Log the optional text if specified, oth- # erwise log a generic message. # # Note: this action currently affects all recipients # of the message. To discard only one recipient # without discarding the entire message, use the # transport(5) table to direct mail to the discard(8) # service. # # This feature is available in Postfix 2.0 and later. # # DUNNO Pretend that the lookup key was not found. This # prevents Postfix from trying substrings of the # lookup key (such as a subdomain name, or a network # address subnetwork). # # This feature is available in Postfix 2.0 and later. # # FILTER transport:destination # After the message is queued, send the entire mes- # sage through the specified external content filter. # The transport:destination syntax is described in # the transport(5) manual page. More information # about external content filters is in the Postfix # FILTER_README file. # # Note: this action overrides the content_filter set- # ting, and currently affects all recipients of the # message. # # This feature is available in Postfix 2.0 and later. # # HOLD optional text... # Place the message on the hold queue, where it will # sit until someone either deletes it or releases it # for delivery. Log the optional text if specified, # otherwise log a generic message. # # Mail that is placed on hold can be examined with # the postcat(1) command, and can be destroyed or # released with the postsuper(1) command. # # Note: use "postsuper -r" to release mail that was # kept on hold for a significant fraction of $maxi- # mal_queue_lifetime or $bounce_queue_lifetime, or # longer. Use "postsuper -H" only for mail that will # not expire within a few delivery attempts. # # Note: this action currently affects all recipients # of the message. # # This feature is available in Postfix 2.0 and later. # # PREPEND headername: headervalue # Prepend the specified message header to the mes- # sage. When more than one PREPEND action executes, # the first prepended header appears before the sec- # ond etc. prepended header. # # Note: this action must execute before the message # content is received; it cannot execute in the con- # text of smtpd_end_of_data_restrictions. # # This feature is available in Postfix 2.1 and later. # # REDIRECT user@domain # After the message is queued, send the message to # the specified address instead of the intended # recipient(s). # # Note: this action overrides the FILTER action, and # currently affects all recipients of the message. # # This feature is available in Postfix 2.1 and later. # # WARN optional text... # Log a warning with the optional text, together with # client information and if available, with helo, # sender, recipient and protocol information. # # This feature is available in Postfix 2.1 and later. # # ENHANCED STATUS CODES # Postfix version 2.3 and later support enhanced status # codes as defined in RFC 3463. When an enhanced status # code is specified in an access table, it is subject to # modification. The following transformations are needed # when the same access table is used for client, helo, # sender, or recipient access restrictions; they happen # regardless of whether Postfix replies to a MAIL FROM, RCPT # TO or other SMTP command. # # o When a sender address matches a REJECT action, the # Postfix SMTP server will transform a recipient DSN # status (e.g., 4.1.1-4.1.6) into the corresponding # sender DSN status, and vice versa. # # o When non-address information matches a REJECT # action (such as the HELO command argument or the # client hostname/address), the Postfix SMTP server # will transform a sender or recipient DSN status # into a generic non-address DSN status (e.g., # 4.0.0). # # REGULAR EXPRESSION TABLES # This section describes how the table lookups change when # the table is given in the form of regular expressions. For # a description of regular expression lookup table syntax, # see regexp_table(5) or pcre_table(5). # # Each pattern is a regular expression that is applied to # the entire string being looked up. Depending on the appli- # cation, that string is an entire client hostname, an # entire client IP address, or an entire mail address. Thus, # no parent domain or parent network search is done, # user@domain mail addresses are not broken up into their # user@ and domain constituent parts, nor is user+foo broken # up into user and foo. # # Patterns are applied in the order as specified in the ta- # ble, until a pattern is found that matches the search # string. # # Actions are the same as with indexed file lookups, with # the additional feature that parenthesized substrings from # the pattern can be interpolated as $1, $2 and so on. # # TCP-BASED TABLES # This section describes how the table lookups change when # lookups are directed to a TCP-based server. For a descrip- # tion of the TCP client/server lookup protocol, see tcp_ta- # ble(5). This feature is not available up to and including # Postfix version 2.4. # # Each lookup operation uses the entire query string once. # Depending on the application, that string is an entire # client hostname, an entire client IP address, or an entire # mail address. Thus, no parent domain or parent network # search is done, user@domain mail addresses are not broken # up into their user@ and domain constituent parts, nor is # user+foo broken up into user and foo. # # Actions are the same as with indexed file lookups. # # EXAMPLE # The following example uses an indexed file, so that the # order of table entries does not matter. The example per- # mits access by the client at address 1.2.3.4 but rejects # all other clients in 1.2.3.0/24. Instead of hash lookup # tables, some systems use dbm. Use the command "postconf # -m" to find out what lookup tables Postfix supports on # your system. # # /etc/postfix/main.cf: # smtpd_client_restrictions = # check_client_access hash:/etc/postfix/access # # /etc/postfix/access: # 1.2.3 REJECT # 1.2.3.4 OK # # Execute the command "postmap /etc/postfix/access" after # editing the file. # # BUGS # The table format does not understand quoting conventions. # # SEE ALSO # postmap(1), Postfix lookup table manager # smtpd(8), SMTP server # postconf(5), configuration parameters # transport(5), transport:nexthop syntax # # README FILES # Use "postconf readme_directory" or "postconf html_direc- # tory" to locate this information. # SMTPD_ACCESS_README, built-in SMTP server access control # DATABASE_README, Postfix lookup table overview # # LICENSE # The Secure Mailer license must be distributed with this # software. # # AUTHOR(S) # Wietse Venema # IBM T.J. Watson Research # P.O. Box 704 # Yorktown Heights, NY 10598, USA # # ACCESS(5) transport000066600000030324150471302410006526 0ustar00# TRANSPORT(5) TRANSPORT(5) # # NAME # transport - Postfix transport table format # # SYNOPSIS # postmap /etc/postfix/transport # # postmap -q "string" /etc/postfix/transport # # postmap -q - /etc/postfix/transport # 25/02/99: Mostly s/sendmail/postfix/g by John A. Martin # 23/11/00: Changes & suggestions by Ajay Ramaswamy # 20/01/01: Changes to fall in line with RedHat 7.0 style # 23/02/01: Fix a few untidy problems with help from Daniel Roesen. ### BEGIN INIT INFO # Provides: postfix MTA # Required-Start: $local_fs $network $remote_fs # Required-Stop: $local_fs $network $remote_fs # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: start and stop postfix # Description: Postfix is a Mail Transport Agent, which is the program that # moves mail from one machine to another. ### END INIT INFO # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network RETVAL=0 prog="postfix" lockfile=/var/lock/subsys/$prog pidfile=/var/spool/postfix/pid/master.pid ALIASESDB_STAMP=/var/lib/misc/postfix.aliasesdb-stamp # Script to update chroot environment CHROOT_UPDATE=/etc/postfix/chroot-update status -p $pidfile -l $(basename $lockfile) -b /usr/libexec/postfix/master master >/dev/null 2>&1 running=$? conf_check() { [ -x /usr/sbin/postfix ] || exit 5 [ -d /etc/postfix ] || exit 6 [ -d /var/spool/postfix ] || exit 5 } make_aliasesdb() { if [ "$(/usr/sbin/postconf -h alias_database)" == "hash:/etc/aliases" ] then # /etc/aliases.db may be used by other MTA, make sure nothing # has touched it since our last newaliases call [ /etc/aliases -nt /etc/aliases.db ] || [ "$ALIASESDB_STAMP" -nt /etc/aliases.db ] || [ "$ALIASESDB_STAMP" -ot /etc/aliases.db ] || return /usr/bin/newaliases touch -r /etc/aliases.db "$ALIASESDB_STAMP" else /usr/bin/newaliases fi } start() { [ "$EUID" != "0" ] && exit 4 # Check that networking is up. [ ${NETWORKING} = "no" ] && exit 1 conf_check # Start daemons. echo -n $"Starting postfix: " make_aliasesdb >/dev/null 2>&1 [ -x $CHROOT_UPDATE ] && $CHROOT_UPDATE /usr/sbin/postfix start 2>/dev/null 1>&2 && success || failure $"$prog start" RETVAL=$? [ $RETVAL -eq 0 ] && touch $lockfile echo return $RETVAL } stop() { [ "$EUID" != "0" ] && exit 4 conf_check # Stop daemons. echo -n $"Shutting down postfix: " /usr/sbin/postfix stop 2>/dev/null 1>&2 && success || failure $"$prog stop" RETVAL=$? [ $RETVAL -eq 0 ] && rm -f $lockfile $pidfile echo return $RETVAL } reload() { conf_check echo -n $"Reloading postfix: " [ -x $CHROOT_UPDATE ] && $CHROOT_UPDATE /usr/sbin/postfix reload 2>/dev/null 1>&2 && success || failure $"$prog reload" RETVAL=$? echo return $RETVAL } abort() { conf_check /usr/sbin/postfix abort 2>/dev/null 1>&2 && success || failure $"$prog abort" return $? } flush() { conf_check /usr/sbin/postfix flush 2>/dev/null 1>&2 && success || failure $"$prog flush" return $? } check() { conf_check /usr/sbin/postfix check 2>/dev/null 1>&2 && success || failure $"$prog check" return $? } # See how we were called. case "$1" in start) [ $running -eq 0 ] && exit 0 start ;; stop) [ $running -eq 0 ] || exit 0 stop ;; restart|force-reload) stop start ;; reload) [ $running -eq 0 ] || exit 7 reload ;; abort) abort ;; flush) flush ;; check) check ;; status) status -p $pidfile -l $(basename $lockfile) -b /usr/libexec/postfix/master master ;; condrestart) [ $running -eq 0 ] || exit 0 stop start ;; *) echo $"Usage: $0 {start|stop|restart|reload|abort|flush|check|status|condrestart}" exit 2 esac exit $?