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main.cf

Feb 1st, 2018
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  1. # Global Postfix configuration file. This file lists only a subset
  2. # of all parameters. For the syntax, and for a complete parameter
  3. # list, see the postconf(5) manual page (command: "man 5 postconf").
  4. #
  5. # For common configuration examples, see BASIC_CONFIGURATION_README
  6. # and STANDARD_CONFIGURATION_README. To find these documents, use
  7. # the command "postconf html_directory readme_directory", or go to
  8. # http://www.postfix.org/.
  9. #
  10. # For best results, change no more than 2-3 parameters at a time,
  11. # and test if Postfix still works after every change.
  12.  
  13. # SOFT BOUNCE
  14. #
  15. # The soft_bounce parameter provides a limited safety net for
  16. # testing. When soft_bounce is enabled, mail will remain queued that
  17. # would otherwise bounce. This parameter disables locally-generated
  18. # bounces, and prevents the SMTP server from rejecting mail permanently
  19. # (by changing 5xx replies into 4xx replies). However, soft_bounce
  20. # is no cure for address rewriting mistakes or mail routing mistakes.
  21. #
  22. soft_bounce = no
  23.  
  24. # LOCAL PATHNAME INFORMATION
  25. #
  26. # The queue_directory specifies the location of the Postfix queue.
  27. # This is also the root directory of Postfix daemons that run chrooted.
  28. # See the files in examples/chroot-setup for setting up Postfix chroot
  29. # environments on different UNIX systems.
  30. #
  31. queue_directory = /var/spool/postfix
  32.  
  33. # The command_directory parameter specifies the location of all
  34. # postXXX commands.
  35. #
  36. command_directory = /usr/sbin
  37.  
  38. # The daemon_directory parameter specifies the location of all Postfix
  39. # daemon programs (i.e. programs listed in the master.cf file). This
  40. # directory must be owned by root.
  41. #
  42. daemon_directory = /usr/libexec/postfix
  43.  
  44. # The data_directory parameter specifies the location of Postfix-writable
  45. # data files (caches, random numbers). This directory must be owned
  46. # by the mail_owner account (see below).
  47. #
  48. data_directory = /var/lib/postfix
  49.  
  50. # QUEUE AND PROCESS OWNERSHIP
  51. #
  52. # The mail_owner parameter specifies the owner of the Postfix queue
  53. # and of most Postfix daemon processes. Specify the name of a user
  54. # account THAT DOES NOT SHARE ITS USER OR GROUP ID WITH OTHER ACCOUNTS
  55. # AND THAT OWNS NO OTHER FILES OR PROCESSES ON THE SYSTEM. In
  56. # particular, don't specify nobody or daemon. PLEASE USE A DEDICATED
  57. # USER.
  58. #
  59. mail_owner = postfix
  60.  
  61. # The default_privs parameter specifies the default rights used by
  62. # the local delivery agent for delivery to external file or command.
  63. # These rights are used in the absence of a recipient user context.
  64. # DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER.
  65. #
  66. #default_privs = nobody
  67.  
  68. # INTERNET HOST AND DOMAIN NAMES
  69. #
  70. # The myhostname parameter specifies the internet hostname of this
  71. # mail system. The default is to use the fully-qualified domain name
  72. # from gethostname(). $myhostname is used as a default value for many
  73. # other configuration parameters.
  74. #
  75. #myhostname = host.domain.tld
  76. #myhostname = virtual.domain.tld
  77.  
  78. # The mydomain parameter specifies the local internet domain name.
  79. # The default is to use $myhostname minus the first component.
  80. # $mydomain is used as a default value for many other configuration
  81. # parameters.
  82. #
  83. #mydomain = domain.tld
  84.  
  85. # SENDING MAIL
  86. #
  87. # The myorigin parameter specifies the domain that locally-posted
  88. # mail appears to come from. The default is to append $myhostname,
  89. # which is fine for small sites. If you run a domain with multiple
  90. # machines, you should (1) change this to $mydomain and (2) set up
  91. # a domain-wide alias database that aliases each user to
  92. # user@that.users.mailhost.
  93. #
  94. # For the sake of consistency between sender and recipient addresses,
  95. # myorigin also specifies the default domain name that is appended
  96. # to recipient addresses that have no @domain part.
  97. #
  98. #myorigin = $myhostname
  99. #myorigin = $mydomain
  100.  
  101. # RECEIVING MAIL
  102.  
  103. # The inet_interfaces parameter specifies the network interface
  104. # addresses that this mail system receives mail on. By default,
  105. # the software claims all active interfaces on the machine. The
  106. # parameter also controls delivery of mail to user@[ip.address].
  107. #
  108. # See also the proxy_interfaces parameter, for network addresses that
  109. # are forwarded to us via a proxy or network address translator.
  110. #
  111. # Note: you need to stop/start Postfix when this parameter changes.
  112. #
  113. #inet_interfaces = all
  114. #inet_interfaces = $myhostname
  115. #inet_interfaces = $myhostname, localhost
  116. inet_interfaces = localhost
  117.  
  118. # Enable IPv4, and IPv6 if supported
  119. inet_protocols = all
  120.  
  121. # The proxy_interfaces parameter specifies the network interface
  122. # addresses that this mail system receives mail on by way of a
  123. # proxy or network address translation unit. This setting extends
  124. # the address list specified with the inet_interfaces parameter.
  125. #
  126. # You must specify your proxy/NAT addresses when your system is a
  127. # backup MX host for other domains, otherwise mail delivery loops
  128. # will happen when the primary MX host is down.
  129. #
  130. #proxy_interfaces =
  131. #proxy_interfaces = 1.2.3.4
  132.  
  133. # The mydestination parameter specifies the list of domains that this
  134. # machine considers itself the final destination for.
  135. #
  136. # These domains are routed to the delivery agent specified with the
  137. # local_transport parameter setting. By default, that is the UNIX
  138. # compatible delivery agent that lookups all recipients in /etc/passwd
  139. # and /etc/aliases or their equivalent.
  140. #
  141. # The default is $myhostname + localhost.$mydomain. On a mail domain
  142. # gateway, you should also include $mydomain.
  143. #
  144. # Do not specify the names of virtual domains - those domains are
  145. # specified elsewhere (see VIRTUAL_README).
  146. #
  147. # Do not specify the names of domains that this machine is backup MX
  148. # host for. Specify those names via the relay_domains settings for
  149. # the SMTP server, or use permit_mx_backup if you are lazy (see
  150. # STANDARD_CONFIGURATION_README).
  151. #
  152. # The local machine is always the final destination for mail addressed
  153. # to user@[the.net.work.address] of an interface that the mail system
  154. # receives mail on (see the inet_interfaces parameter).
  155. #
  156. # Specify a list of host or domain names, /file/name or type:table
  157. # patterns, separated by commas and/or whitespace. A /file/name
  158. # pattern is replaced by its contents; a type:table is matched when
  159. # a name matches a lookup key (the right-hand side is ignored).
  160. # Continue long lines by starting the next line with whitespace.
  161. #
  162. # See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
  163. #
  164. mydestination = $myhostname, localhost.$mydomain, localhost
  165. #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
  166. #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain,
  167. # mail.$mydomain, www.$mydomain, ftp.$mydomain
  168.  
  169. # REJECTING MAIL FOR UNKNOWN LOCAL USERS
  170. #
  171. # The local_recipient_maps parameter specifies optional lookup tables
  172. # with all names or addresses of users that are local with respect
  173. # to $mydestination, $inet_interfaces or $proxy_interfaces.
  174. #
  175. # If this parameter is defined, then the SMTP server will reject
  176. # mail for unknown local users. This parameter is defined by default.
  177. #
  178. # To turn off local recipient checking in the SMTP server, specify
  179. # local_recipient_maps = (i.e. empty).
  180. #
  181. # The default setting assumes that you use the default Postfix local
  182. # delivery agent for local delivery. You need to update the
  183. # local_recipient_maps setting if:
  184. #
  185. # - You define $mydestination domain recipients in files other than
  186. # /etc/passwd, /etc/aliases, or the $virtual_alias_maps files.
  187. # For example, you define $mydestination domain recipients in
  188. # the $virtual_mailbox_maps files.
  189. #
  190. # - You redefine the local delivery agent in master.cf.
  191. #
  192. # - You redefine the "local_transport" setting in main.cf.
  193. #
  194. # - You use the "luser_relay", "mailbox_transport", or "fallback_transport"
  195. # feature of the Postfix local delivery agent (see local(8)).
  196. #
  197. # Details are described in the LOCAL_RECIPIENT_README file.
  198. #
  199. # Beware: if the Postfix SMTP server runs chrooted, you probably have
  200. # to access the passwd file via the proxymap service, in order to
  201. # overcome chroot restrictions. The alternative, having a copy of
  202. # the system passwd file in the chroot jail is just not practical.
  203. #
  204. # The right-hand side of the lookup tables is conveniently ignored.
  205. # In the left-hand side, specify a bare username, an @domain.tld
  206. # wild-card, or specify a user@domain.tld address.
  207. #
  208. #local_recipient_maps = unix:passwd.byname $alias_maps
  209. #local_recipient_maps = proxy:unix:passwd.byname $alias_maps
  210. #local_recipient_maps =
  211.  
  212. # The unknown_local_recipient_reject_code specifies the SMTP server
  213. # response code when a recipient domain matches $mydestination or
  214. # ${proxy,inet}_interfaces, while $local_recipient_maps is non-empty
  215. # and the recipient address or address local-part is not found.
  216. #
  217. # The default setting is 550 (reject mail) but it is safer to start
  218. # with 450 (try again later) until you are certain that your
  219. # local_recipient_maps settings are OK.
  220. #
  221. unknown_local_recipient_reject_code = 550
  222.  
  223. # TRUST AND RELAY CONTROL
  224.  
  225. # The mynetworks parameter specifies the list of "trusted" SMTP
  226. # clients that have more privileges than "strangers".
  227. #
  228. # In particular, "trusted" SMTP clients are allowed to relay mail
  229. # through Postfix. See the smtpd_recipient_restrictions parameter
  230. # in postconf(5).
  231. #
  232. # You can specify the list of "trusted" network addresses by hand
  233. # or you can let Postfix do it for you (which is the default).
  234. #
  235. # By default (mynetworks_style = subnet), Postfix "trusts" SMTP
  236. # clients in the same IP subnetworks as the local machine.
  237. # On Linux, this does works correctly only with interfaces specified
  238. # with the "ifconfig" command.
  239. #
  240. # Specify "mynetworks_style = class" when Postfix should "trust" SMTP
  241. # clients in the same IP class A/B/C networks as the local machine.
  242. # Don't do this with a dialup site - it would cause Postfix to "trust"
  243. # your entire provider's network. Instead, specify an explicit
  244. # mynetworks list by hand, as described below.
  245. #
  246. # Specify "mynetworks_style = host" when Postfix should "trust"
  247. # only the local machine.
  248. #
  249. #mynetworks_style = class
  250. #mynetworks_style = subnet
  251. #mynetworks_style = host
  252.  
  253. mynetworks = 127.0.0.0/8
  254.  
  255. # Alternatively, you can specify the mynetworks list by hand, in
  256. # which case Postfix ignores the mynetworks_style setting.
  257. #
  258. # Specify an explicit list of network/netmask patterns, where the
  259. # mask specifies the number of bits in the network part of a host
  260. # address.
  261. #
  262. # You can also specify the absolute pathname of a pattern file instead
  263. # of listing the patterns here. Specify type:table for table-based lookups
  264. # (the value on the table right-hand side is not used).
  265. #
  266. #mynetworks = 168.100.189.0/28, 127.0.0.0/8
  267. #mynetworks = $config_directory/mynetworks
  268. #mynetworks = hash:/etc/postfix/network_table
  269.  
  270. # The relay_domains parameter restricts what destinations this system will
  271. # relay mail to. See the smtpd_recipient_restrictions description in
  272. # postconf(5) for detailed information.
  273. #
  274. # By default, Postfix relays mail
  275. # - from "trusted" clients (IP address matches $mynetworks) to any destination,
  276. # - from "untrusted" clients to destinations that match $relay_domains or
  277. # subdomains thereof, except addresses with sender-specified routing.
  278. # The default relay_domains value is $mydestination.
  279. #
  280. # In addition to the above, the Postfix SMTP server by default accepts mail
  281. # that Postfix is final destination for:
  282. # - destinations that match $inet_interfaces or $proxy_interfaces,
  283. # - destinations that match $mydestination
  284. # - destinations that match $virtual_alias_domains,
  285. # - destinations that match $virtual_mailbox_domains.
  286. # These destinations do not need to be listed in $relay_domains.
  287. #
  288. # Specify a list of hosts or domains, /file/name patterns or type:name
  289. # lookup tables, separated by commas and/or whitespace. Continue
  290. # long lines by starting the next line with whitespace. A file name
  291. # is replaced by its contents; a type:name table is matched when a
  292. # (parent) domain appears as lookup key.
  293. #
  294. # NOTE: Postfix will not automatically forward mail for domains that
  295. # list this system as their primary or backup MX host. See the
  296. # permit_mx_backup restriction description in postconf(5).
  297. #
  298. #relay_domains = $mydestination
  299.  
  300. # INTERNET OR INTRANET
  301.  
  302. # The relayhost parameter specifies the default host to send mail to
  303. # when no entry is matched in the optional transport(5) table. When
  304. # no relayhost is given, mail is routed directly to the destination.
  305. #
  306. # On an intranet, specify the organizational domain name. If your
  307. # internal DNS uses no MX records, specify the name of the intranet
  308. # gateway host instead.
  309. #
  310. # In the case of SMTP, specify a domain, host, host:port, [host]:port,
  311. # [address] or [address]:port; the form [host] turns off MX lookups.
  312. #
  313. # If you're connected via UUCP, see also the default_transport parameter.
  314. #
  315. #relayhost = $mydomain
  316. #relayhost = [gateway.my.domain]
  317. #relayhost = [mailserver.isp.tld]
  318. #relayhost = uucphost
  319. #relayhost = [an.ip.add.ress]
  320.  
  321. # REJECTING UNKNOWN RELAY USERS
  322. #
  323. # The relay_recipient_maps parameter specifies optional lookup tables
  324. # with all addresses in the domains that match $relay_domains.
  325. #
  326. # If this parameter is defined, then the SMTP server will reject
  327. # mail for unknown relay users. This feature is off by default.
  328. #
  329. # The right-hand side of the lookup tables is conveniently ignored.
  330. # In the left-hand side, specify an @domain.tld wild-card, or specify
  331. # a user@domain.tld address.
  332. #
  333. #relay_recipient_maps = hash:/etc/postfix/relay_recipients
  334.  
  335. # INPUT RATE CONTROL
  336. #
  337. # The in_flow_delay configuration parameter implements mail input
  338. # flow control. This feature is turned on by default, although it
  339. # still needs further development (it's disabled on SCO UNIX due
  340. # to an SCO bug).
  341. #
  342. # A Postfix process will pause for $in_flow_delay seconds before
  343. # accepting a new message, when the message arrival rate exceeds the
  344. # message delivery rate. With the default 100 SMTP server process
  345. # limit, this limits the mail inflow to 100 messages a second more
  346. # than the number of messages delivered per second.
  347. #
  348. # Specify 0 to disable the feature. Valid delays are 0..10.
  349. #
  350. #in_flow_delay = 1s
  351.  
  352. # ADDRESS REWRITING
  353. #
  354. # The ADDRESS_REWRITING_README document gives information about
  355. # address masquerading or other forms of address rewriting including
  356. # username->Firstname.Lastname mapping.
  357.  
  358. # ADDRESS REDIRECTION (VIRTUAL DOMAIN)
  359. #
  360. # The VIRTUAL_README document gives information about the many forms
  361. # of domain hosting that Postfix supports.
  362.  
  363. # "USER HAS MOVED" BOUNCE MESSAGES
  364. #
  365. # See the discussion in the ADDRESS_REWRITING_README document.
  366.  
  367. # TRANSPORT MAP
  368. #
  369. # See the discussion in the ADDRESS_REWRITING_README document.
  370.  
  371. # ALIAS DATABASE
  372. #
  373. # The alias_maps parameter specifies the list of alias databases used
  374. # by the local delivery agent. The default list is system dependent.
  375. #
  376. # On systems with NIS, the default is to search the local alias
  377. # database, then the NIS alias database. See aliases(5) for syntax
  378. # details.
  379. #
  380. # If you change the alias database, run "postalias /etc/aliases" (or
  381. # wherever your system stores the mail alias file), or simply run
  382. # "newaliases" to build the necessary DBM or DB file.
  383. #
  384. # It will take a minute or so before changes become visible. Use
  385. # "postfix reload" to eliminate the delay.
  386. #
  387. #alias_maps = dbm:/etc/aliases
  388. alias_maps = hash:/etc/aliases
  389. #alias_maps = hash:/etc/aliases, nis:mail.aliases
  390. #alias_maps = netinfo:/aliases
  391.  
  392. # The alias_database parameter specifies the alias database(s) that
  393. # are built with "newaliases" or "sendmail -bi". This is a separate
  394. # configuration parameter, because alias_maps (see above) may specify
  395. # tables that are not necessarily all under control by Postfix.
  396. #
  397. #alias_database = dbm:/etc/aliases
  398. #alias_database = dbm:/etc/mail/aliases
  399. alias_database = hash:/etc/aliases
  400. #alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases
  401.  
  402. # ADDRESS EXTENSIONS (e.g., user+foo)
  403. #
  404. # The recipient_delimiter parameter specifies the separator between
  405. # user names and address extensions (user+foo). See canonical(5),
  406. # local(8), relocated(5) and virtual(5) for the effects this has on
  407. # aliases, canonical, virtual, relocated and .forward file lookups.
  408. # Basically, the software tries user+foo and .forward+foo before
  409. # trying user and .forward.
  410. #
  411. #recipient_delimiter = +
  412.  
  413. # DELIVERY TO MAILBOX
  414. #
  415. # The home_mailbox parameter specifies the optional pathname of a
  416. # mailbox file relative to a user's home directory. The default
  417. # mailbox file is /var/spool/mail/user or /var/mail/user. Specify
  418. # "Maildir/" for qmail-style delivery (the / is required).
  419. #
  420. #home_mailbox = Mailbox
  421. #home_mailbox = Maildir/
  422.  
  423. # The mail_spool_directory parameter specifies the directory where
  424. # UNIX-style mailboxes are kept. The default setting depends on the
  425. # system type.
  426. #
  427. #mail_spool_directory = /var/mail
  428. #mail_spool_directory = /var/spool/mail
  429.  
  430. # The mailbox_command parameter specifies the optional external
  431. # command to use instead of mailbox delivery. The command is run as
  432. # the recipient with proper HOME, SHELL and LOGNAME environment settings.
  433. # Exception: delivery for root is done as $default_user.
  434. #
  435. # Other environment variables of interest: USER (recipient username),
  436. # EXTENSION (address extension), DOMAIN (domain part of address),
  437. # and LOCAL (the address localpart).
  438. #
  439. # Unlike other Postfix configuration parameters, the mailbox_command
  440. # parameter is not subjected to $parameter substitutions. This is to
  441. # make it easier to specify shell syntax (see example below).
  442. #
  443. # Avoid shell meta characters because they will force Postfix to run
  444. # an expensive shell process. Procmail alone is expensive enough.
  445. #
  446. # IF YOU USE THIS TO DELIVER MAIL SYSTEM-WIDE, YOU MUST SET UP AN
  447. # ALIAS THAT FORWARDS MAIL FOR ROOT TO A REAL USER.
  448. #
  449. #mailbox_command = /some/where/procmail
  450. #mailbox_command = /some/where/procmail -a "$EXTENSION"
  451.  
  452. # The mailbox_transport specifies the optional transport in master.cf
  453. # to use after processing aliases and .forward files. This parameter
  454. # has precedence over the mailbox_command, fallback_transport and
  455. # luser_relay parameters.
  456. #
  457. # Specify a string of the form transport:nexthop, where transport is
  458. # the name of a mail delivery transport defined in master.cf. The
  459. # :nexthop part is optional. For more details see the sample transport
  460. # configuration file.
  461. #
  462. # NOTE: if you use this feature for accounts not in the UNIX password
  463. # file, then you must update the "local_recipient_maps" setting in
  464. # the main.cf file, otherwise the SMTP server will reject mail for
  465. # non-UNIX accounts with "User unknown in local recipient table".
  466. #
  467. # Cyrus IMAP over LMTP. Specify ``lmtpunix cmd="lmtpd"
  468. # listen="/var/imap/socket/lmtp" prefork=0'' in cyrus.conf.
  469. #mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  470.  
  471. # If using the cyrus-imapd IMAP server deliver local mail to the IMAP
  472. # server using LMTP (Local Mail Transport Protocol), this is prefered
  473. # over the older cyrus deliver program by setting the
  474. # mailbox_transport as below:
  475. #
  476. # mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  477. #
  478. # The efficiency of LMTP delivery for cyrus-imapd can be enhanced via
  479. # these settings.
  480. #
  481. # local_destination_recipient_limit = 300
  482. # local_destination_concurrency_limit = 5
  483. #
  484. # Of course you should adjust these settings as appropriate for the
  485. # capacity of the hardware you are using. The recipient limit setting
  486. # can be used to take advantage of the single instance message store
  487. # capability of Cyrus. The concurrency limit can be used to control
  488. # how many simultaneous LMTP sessions will be permitted to the Cyrus
  489. # message store.
  490. #
  491. # Cyrus IMAP via command line. Uncomment the "cyrus...pipe" and
  492. # subsequent line in master.cf.
  493. #mailbox_transport = cyrus
  494.  
  495. # The fallback_transport specifies the optional transport in master.cf
  496. # to use for recipients that are not found in the UNIX passwd database.
  497. # This parameter has precedence over the luser_relay parameter.
  498. #
  499. # Specify a string of the form transport:nexthop, where transport is
  500. # the name of a mail delivery transport defined in master.cf. The
  501. # :nexthop part is optional. For more details see the sample transport
  502. # configuration file.
  503. #
  504. # NOTE: if you use this feature for accounts not in the UNIX password
  505. # file, then you must update the "local_recipient_maps" setting in
  506. # the main.cf file, otherwise the SMTP server will reject mail for
  507. # non-UNIX accounts with "User unknown in local recipient table".
  508. #
  509. #fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  510. #fallback_transport =
  511.  
  512. # The luser_relay parameter specifies an optional destination address
  513. # for unknown recipients. By default, mail for unknown@$mydestination,
  514. # unknown@[$inet_interfaces] or unknown@[$proxy_interfaces] is returned
  515. # as undeliverable.
  516. #
  517. # The following expansions are done on luser_relay: $user (recipient
  518. # username), $shell (recipient shell), $home (recipient home directory),
  519. # $recipient (full recipient address), $extension (recipient address
  520. # extension), $domain (recipient domain), $local (entire recipient
  521. # localpart), $recipient_delimiter. Specify ${name?value} or
  522. # ${name:value} to expand value only when $name does (does not) exist.
  523. #
  524. # luser_relay works only for the default Postfix local delivery agent.
  525. #
  526. # NOTE: if you use this feature for accounts not in the UNIX password
  527. # file, then you must specify "local_recipient_maps =" (i.e. empty) in
  528. # the main.cf file, otherwise the SMTP server will reject mail for
  529. # non-UNIX accounts with "User unknown in local recipient table".
  530. #
  531. #luser_relay = $user@other.host
  532. #luser_relay = $local@other.host
  533. #luser_relay = admin+$local
  534.  
  535. # JUNK MAIL CONTROLS
  536. #
  537. # The controls listed here are only a very small subset. The file
  538. # SMTPD_ACCESS_README provides an overview.
  539.  
  540. # The header_checks parameter specifies an optional table with patterns
  541. # that each logical message header is matched against, including
  542. # headers that span multiple physical lines.
  543. #
  544. # By default, these patterns also apply to MIME headers and to the
  545. # headers of attached messages. With older Postfix versions, MIME and
  546. # attached message headers were treated as body text.
  547. #
  548. # For details, see "man header_checks".
  549. #
  550. #header_checks = regexp:/etc/postfix/header_checks
  551.  
  552. # FAST ETRN SERVICE
  553. #
  554. # Postfix maintains per-destination logfiles with information about
  555. # deferred mail, so that mail can be flushed quickly with the SMTP
  556. # "ETRN domain.tld" command, or by executing "sendmail -qRdomain.tld".
  557. # See the ETRN_README document for a detailed description.
  558. #
  559. # The fast_flush_domains parameter controls what destinations are
  560. # eligible for this service. By default, they are all domains that
  561. # this server is willing to relay mail to.
  562. #
  563. #fast_flush_domains = $relay_domains
  564.  
  565. # SHOW SOFTWARE VERSION OR NOT
  566. #
  567. # The smtpd_banner parameter specifies the text that follows the 220
  568. # code in the SMTP server's greeting banner. Some people like to see
  569. # the mail version advertised. By default, Postfix shows no version.
  570. #
  571. # You MUST specify $myhostname at the start of the text. That is an
  572. # RFC requirement. Postfix itself does not care.
  573. #
  574. #smtpd_banner = $myhostname ESMTP $mail_name
  575. #smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
  576.  
  577. # PARALLEL DELIVERY TO THE SAME DESTINATION
  578. #
  579. # How many parallel deliveries to the same user or domain? With local
  580. # delivery, it does not make sense to do massively parallel delivery
  581. # to the same user, because mailbox updates must happen sequentially,
  582. # and expensive pipelines in .forward files can cause disasters when
  583. # too many are run at the same time. With SMTP deliveries, 10
  584. # simultaneous connections to the same domain could be sufficient to
  585. # raise eyebrows.
  586. #
  587. # Each message delivery transport has its XXX_destination_concurrency_limit
  588. # parameter. The default is $default_destination_concurrency_limit for
  589. # most delivery transports. For the local delivery agent the default is 2.
  590.  
  591. #local_destination_concurrency_limit = 2
  592. #default_destination_concurrency_limit = 20
  593.  
  594. # DEBUGGING CONTROL
  595. #
  596. # The debug_peer_level parameter specifies the increment in verbose
  597. # logging level when an SMTP client or server host name or address
  598. # matches a pattern in the debug_peer_list parameter.
  599. #
  600. debug_peer_level = 2
  601.  
  602. # The debug_peer_list parameter specifies an optional list of domain
  603. # or network patterns, /file/name patterns or type:name tables. When
  604. # an SMTP client or server host name or address matches a pattern,
  605. # increase the verbose logging level by the amount specified in the
  606. # debug_peer_level parameter.
  607. #
  608. #debug_peer_list = 127.0.0.1
  609. #debug_peer_list = some.domain
  610.  
  611. # The debugger_command specifies the external command that is executed
  612. # when a Postfix daemon program is run with the -D option.
  613. #
  614. # Use "command .. & sleep 5" so that the debugger can attach before
  615. # the process marches on. If you use an X-based debugger, be sure to
  616. # set up your XAUTHORITY environment variable before starting Postfix.
  617. #
  618. debugger_command =
  619. PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
  620. ddd $daemon_directory/$process_name $process_id & sleep 5
  621.  
  622. # If you can't use X, use this to capture the call stack when a
  623. # daemon crashes. The result is in a file in the configuration
  624. # directory, and is named after the process name and the process ID.
  625. #
  626. # debugger_command =
  627. # PATH=/bin:/usr/bin:/usr/local/bin; export PATH; (echo cont;
  628. # echo where) | gdb $daemon_directory/$process_name $process_id 2>&1
  629. # >$config_directory/$process_name.$process_id.log & sleep 5
  630. #
  631. # Another possibility is to run gdb under a detached screen session.
  632. # To attach to the screen sesssion, su root and run "screen -r
  633. # <id_string>" where <id_string> uniquely matches one of the detached
  634. # sessions (from "screen -list").
  635. #
  636. # debugger_command =
  637. # PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH; screen
  638. # -dmS $process_name gdb $daemon_directory/$process_name
  639. # $process_id & sleep 1
  640.  
  641. # INSTALL-TIME CONFIGURATION INFORMATION
  642. #
  643. # The following parameters are used when installing a new Postfix version.
  644. #
  645. # sendmail_path: The full pathname of the Postfix sendmail command.
  646. # This is the Sendmail-compatible mail posting interface.
  647. #
  648. sendmail_path = /usr/sbin/sendmail.postfix
  649.  
  650. # newaliases_path: The full pathname of the Postfix newaliases command.
  651. # This is the Sendmail-compatible command to build alias databases.
  652. #
  653. newaliases_path = /usr/bin/newaliases.postfix
  654.  
  655. # mailq_path: The full pathname of the Postfix mailq command. This
  656. # is the Sendmail-compatible mail queue listing command.
  657. #
  658. mailq_path = /usr/bin/mailq.postfix
  659.  
  660. # setgid_group: The group for mail submission and queue management
  661. # commands. This must be a group name with a numerical group ID that
  662. # is not shared with other accounts, not even with the Postfix account.
  663. #
  664. setgid_group = postdrop
  665.  
  666. # html_directory: The location of the Postfix HTML documentation.
  667. #
  668. html_directory = no
  669.  
  670. # manpage_directory: The location of the Postfix on-line manual pages.
  671. #
  672. manpage_directory = /usr/share/man
  673.  
  674. # sample_directory: The location of the Postfix sample configuration files.
  675. # This parameter is obsolete as of Postfix 2.1.
  676. #
  677. sample_directory = /usr/share/doc/postfix-2.10.1/samples
  678.  
  679. # readme_directory: The location of the Postfix README files.
  680. #
  681. readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
  682.  
  683. #
  684. # SMTP-AUTH configuration
  685. #
  686. # The name of the Postfix SMTP server's local SASL authentication realm. (default: empty)
  687. smtpd_sasl_local_domain =
  688. # Enable SASL authentication in the Postfix SMTP server. By default, the
  689. # Postfix SMTP server does not use authentication.
  690. smtpd_sasl_auth_enable = yes
  691. # The SASL plug-in type that the Postfix SMTP server should use for authentication.
  692. smtpd_sasl_type = cyrus
  693. # Postfix SMTP server SASL security options. noanonymous disallow methods
  694. # that allow anonymous authentication.
  695. smtpd_sasl_security_options = noanonymous
  696. # Enable inter-operability with remote SMTP clients that implement an obsolete
  697. # version of the AUTH command
  698. broken_sasl_auth_clients = yes
  699. # Do not report the SASL authenticated user name in the smtpd Received message header.
  700. smtpd_sasl_authenticated_header = no
  701. # Optional restrictions that the Postfix SMTP server applies in the context of
  702. # a client RCPT TO command, after smtpd_relay_restrictions.
  703. smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
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