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  1.  
  2. # Global Postfix configuration file. This file lists only a subset
  3. # of all parameters. For the syntax, and for a complete parameter
  4. # list, see the postconf(5) manual page (command: "man 5 postconf").
  5. #
  6. # For common configuration examples, see BASIC_CONFIGURATION_README
  7. # and STANDARD_CONFIGURATION_README. To find these documents, use
  8. # the command "postconf html_directory readme_directory", or go to
  9. # http://www.postfix.org/.
  10. #
  11. # For best results, change no more than 2-3 parameters at a time,
  12. # and test if Postfix still works after every change.
  13.  
  14. # SOFT BOUNCE
  15. #
  16. # The soft_bounce parameter provides a limited safety net for
  17. # testing. When soft_bounce is enabled, mail will remain queued that
  18. # would otherwise bounce. This parameter disables locally-generated
  19. # bounces, and prevents the SMTP server from rejecting mail permanently
  20. # (by changing 5xx replies into 4xx replies). However, soft_bounce
  21. # is no cure for address rewriting mistakes or mail routing mistakes.
  22. #
  23. #soft_bounce = no
  24.  
  25. # LOCAL PATHNAME INFORMATION
  26. #
  27. # The queue_directory specifies the location of the Postfix queue.
  28. # This is also the root directory of Postfix daemons that run chrooted.
  29. # See the files in examples/chroot-setup for setting up Postfix chroot
  30. # environments on different UNIX systems.
  31. #
  32. queue_directory = /var/spool/postfix
  33.  
  34. # The command_directory parameter specifies the location of all
  35. # postXXX commands.
  36. #
  37. command_directory = /usr/sbin
  38.  
  39. # The daemon_directory parameter specifies the location of all Postfix
  40. # daemon programs (i.e. programs listed in the master.cf file). This
  41. # directory must be owned by root.
  42. #
  43. daemon_directory = /usr/libexec/postfix
  44.  
  45. # The data_directory parameter specifies the location of Postfix-writable
  46. # data files (caches, random numbers). This directory must be owned
  47. # by the mail_owner account (see below).
  48. #
  49. data_directory = /var/lib/postfix
  50.  
  51. # QUEUE AND PROCESS OWNERSHIP
  52. #
  53. # The mail_owner parameter specifies the owner of the Postfix queue
  54. # and of most Postfix daemon processes. Specify the name of a user
  55. # account THAT DOES NOT SHARE ITS USER OR GROUP ID WITH OTHER ACCOUNTS
  56. # AND THAT OWNS NO OTHER FILES OR PROCESSES ON THE SYSTEM. In
  57. # particular, don't specify nobody or daemon. PLEASE USE A DEDICATED
  58. # USER.
  59. #
  60. mail_owner = postfix
  61.  
  62. # The default_privs parameter specifies the default rights used by
  63. # the local delivery agent for delivery to external file or command.
  64. # These rights are used in the absence of a recipient user context.
  65. # DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER.
  66. #
  67. #default_privs = nobody
  68.  
  69. # INTERNET HOST AND DOMAIN NAMES
  70. #
  71. # The myhostname parameter specifies the internet hostname of this
  72. # mail system. The default is to use the fully-qualified domain name
  73. # from gethostname(). $myhostname is used as a default value for many
  74. # other configuration parameters.
  75. #
  76. #myhostname = host.domain.tld
  77. #myhostname = virtual.domain.tld
  78.  
  79. # The mydomain parameter specifies the local internet domain name.
  80. # The default is to use $myhostname minus the first component.
  81. # $mydomain is used as a default value for many other configuration
  82. # parameters.
  83. #
  84. #mydomain = domain.tld
  85.  
  86. # SENDING MAIL
  87. #
  88. # The myorigin parameter specifies the domain that locally-posted
  89. # mail appears to come from. The default is to append $myhostname,
  90. # which is fine for small sites. If you run a domain with multiple
  91. # machines, you should (1) change this to $mydomain and (2) set up
  92. # a domain-wide alias database that aliases each user to
  93. # user@that.users.mailhost.
  94. #
  95. # For the sake of consistency between sender and recipient addresses,
  96. # myorigin also specifies the default domain name that is appended
  97. # to recipient addresses that have no @domain part.
  98. #
  99. #myorigin = $myhostname
  100. #myorigin = $mydomain
  101.  
  102. # RECEIVING MAIL
  103.  
  104. # The inet_interfaces parameter specifies the network interface
  105. # addresses that this mail system receives mail on. By default,
  106. # the software claims all active interfaces on the machine. The
  107. # parameter also controls delivery of mail to user@[ip.address].
  108. #
  109. # See also the proxy_interfaces parameter, for network addresses that
  110. # are forwarded to us via a proxy or network address translator.
  111. #
  112. # Note: you need to stop/start Postfix when this parameter changes.
  113. #
  114. #inet_interfaces = all
  115. #inet_interfaces = $myhostname
  116. #inet_interfaces = $myhostname, localhost
  117. inet_interfaces = localhost
  118.  
  119. # Enable IPv4, and IPv6 if supported
  120. inet_protocols = all
  121.  
  122. # The proxy_interfaces parameter specifies the network interface
  123. # addresses that this mail system receives mail on by way of a
  124. # proxy or network address translation unit. This setting extends
  125. # the address list specified with the inet_interfaces parameter.
  126. #
  127. # You must specify your proxy/NAT addresses when your system is a
  128. # backup MX host for other domains, otherwise mail delivery loops
  129. # will happen when the primary MX host is down.
  130. #
  131. #proxy_interfaces =
  132. #proxy_interfaces = 1.2.3.4
  133.  
  134. # The mydestination parameter specifies the list of domains that this
  135. # machine considers itself the final destination for.
  136. #
  137. # These domains are routed to the delivery agent specified with the
  138. # local_transport parameter setting. By default, that is the UNIX
  139. # compatible delivery agent that lookups all recipients in /etc/passwd
  140. # and /etc/aliases or their equivalent.
  141. #
  142. # The default is $myhostname + localhost.$mydomain. On a mail domain
  143. # gateway, you should also include $mydomain.
  144. #
  145. # Do not specify the names of virtual domains - those domains are
  146. # specified elsewhere (see VIRTUAL_README).
  147. #
  148. # Do not specify the names of domains that this machine is backup MX
  149. # host for. Specify those names via the relay_domains settings for
  150. # the SMTP server, or use permit_mx_backup if you are lazy (see
  151. # STANDARD_CONFIGURATION_README).
  152. #
  153. # The local machine is always the final destination for mail addressed
  154. # to user@[the.net.work.address] of an interface that the mail system
  155. # receives mail on (see the inet_interfaces parameter).
  156. #
  157. # Specify a list of host or domain names, /file/name or type:table
  158. # patterns, separated by commas and/or whitespace. A /file/name
  159. # pattern is replaced by its contents; a type:table is matched when
  160. # a name matches a lookup key (the right-hand side is ignored).
  161. # Continue long lines by starting the next line with whitespace.
  162. #
  163. # See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
  164. #
  165. mydestination = $myhostname, localhost.$mydomain, localhost
  166. #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
  167. #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain,
  168. # mail.$mydomain, www.$mydomain, ftp.$mydomain
  169.  
  170. # REJECTING MAIL FOR UNKNOWN LOCAL USERS
  171. #
  172. # The local_recipient_maps parameter specifies optional lookup tables
  173. # with all names or addresses of users that are local with respect
  174. # to $mydestination, $inet_interfaces or $proxy_interfaces.
  175. #
  176. # If this parameter is defined, then the SMTP server will reject
  177. # mail for unknown local users. This parameter is defined by default.
  178. #
  179. # To turn off local recipient checking in the SMTP server, specify
  180. # local_recipient_maps = (i.e. empty).
  181. #
  182. # The default setting assumes that you use the default Postfix local
  183. # delivery agent for local delivery. You need to update the
  184. # local_recipient_maps setting if:
  185. #
  186. # - You define $mydestination domain recipients in files other than
  187. # /etc/passwd, /etc/aliases, or the $virtual_alias_maps files.
  188. # For example, you define $mydestination domain recipients in
  189. # the $virtual_mailbox_maps files.
  190. #
  191. # - You redefine the local delivery agent in master.cf.
  192. #
  193. # - You redefine the "local_transport" setting in main.cf.
  194. #
  195. # - You use the "luser_relay", "mailbox_transport", or "fallback_transport"
  196. # feature of the Postfix local delivery agent (see local(8)).
  197. #
  198. # Details are described in the LOCAL_RECIPIENT_README file.
  199. #
  200. # Beware: if the Postfix SMTP server runs chrooted, you probably have
  201. # to access the passwd file via the proxymap service, in order to
  202. # overcome chroot restrictions. The alternative, having a copy of
  203. # the system passwd file in the chroot jail is just not practical.
  204. #
  205. # The right-hand side of the lookup tables is conveniently ignored.
  206. # In the left-hand side, specify a bare username, an @domain.tld
  207. # wild-card, or specify a user@domain.tld address.
  208. #
  209. #local_recipient_maps = unix:passwd.byname $alias_maps
  210. #local_recipient_maps = proxy:unix:passwd.byname $alias_maps
  211. #local_recipient_maps =
  212.  
  213. # The unknown_local_recipient_reject_code specifies the SMTP server
  214. # response code when a recipient domain matches $mydestination or
  215. # ${proxy,inet}_interfaces, while $local_recipient_maps is non-empty
  216. # and the recipient address or address local-part is not found.
  217. #
  218. # The default setting is 550 (reject mail) but it is safer to start
  219. # with 450 (try again later) until you are certain that your
  220. # local_recipient_maps settings are OK.
  221. #
  222. unknown_local_recipient_reject_code = 550
  223.  
  224. # TRUST AND RELAY CONTROL
  225.  
  226. # The mynetworks parameter specifies the list of "trusted" SMTP
  227. # clients that have more privileges than "strangers".
  228. #
  229. # In particular, "trusted" SMTP clients are allowed to relay mail
  230. # through Postfix. See the smtpd_recipient_restrictions parameter
  231. # in postconf(5).
  232. #
  233. # You can specify the list of "trusted" network addresses by hand
  234. # or you can let Postfix do it for you (which is the default).
  235. #
  236. # By default (mynetworks_style = subnet), Postfix "trusts" SMTP
  237. # clients in the same IP subnetworks as the local machine.
  238. # On Linux, this does works correctly only with interfaces specified
  239. # with the "ifconfig" command.
  240. #
  241. # Specify "mynetworks_style = class" when Postfix should "trust" SMTP
  242. # clients in the same IP class A/B/C networks as the local machine.
  243. # Don't do this with a dialup site - it would cause Postfix to "trust"
  244. # your entire provider's network. Instead, specify an explicit
  245. # mynetworks list by hand, as described below.
  246. #
  247. # Specify "mynetworks_style = host" when Postfix should "trust"
  248. # only the local machine.
  249. #
  250. #mynetworks_style = class
  251. #mynetworks_style = subnet
  252. #mynetworks_style = host
  253.  
  254. # Alternatively, you can specify the mynetworks list by hand, in
  255. # which case Postfix ignores the mynetworks_style setting.
  256. #
  257. # Specify an explicit list of network/netmask patterns, where the
  258. # mask specifies the number of bits in the network part of a host
  259. # address.
  260. #
  261. # You can also specify the absolute pathname of a pattern file instead
  262. # of listing the patterns here. Specify type:table for table-based lookups
  263. # (the value on the table right-hand side is not used).
  264. #
  265. #mynetworks = 168.100.189.0/28, 127.0.0.0/8
  266. #mynetworks = $config_directory/mynetworks
  267. #mynetworks = hash:/etc/postfix/network_table
  268.  
  269. # The relay_domains parameter restricts what destinations this system will
  270. # relay mail to. See the smtpd_recipient_restrictions description in
  271. # postconf(5) for detailed information.
  272. #
  273. # By default, Postfix relays mail
  274. # - from "trusted" clients (IP address matches $mynetworks) to any destination,
  275. # - from "untrusted" clients to destinations that match $relay_domains or
  276. # subdomains thereof, except addresses with sender-specified routing.
  277. # The default relay_domains value is $mydestination.
  278. #
  279. # In addition to the above, the Postfix SMTP server by default accepts mail
  280. # that Postfix is final destination for:
  281. # - destinations that match $inet_interfaces or $proxy_interfaces,
  282. # - destinations that match $mydestination
  283. # - destinations that match $virtual_alias_domains,
  284. # - destinations that match $virtual_mailbox_domains.
  285. # These destinations do not need to be listed in $relay_domains.
  286. #
  287. # Specify a list of hosts or domains, /file/name patterns or type:name
  288. # lookup tables, separated by commas and/or whitespace. Continue
  289. # long lines by starting the next line with whitespace. A file name
  290. # is replaced by its contents; a type:name table is matched when a
  291. # (parent) domain appears as lookup key.
  292. #
  293. # NOTE: Postfix will not automatically forward mail for domains that
  294. # list this system as their primary or backup MX host. See the
  295. # permit_mx_backup restriction description in postconf(5).
  296. #
  297. #relay_domains = $mydestination
  298.  
  299. # INTERNET OR INTRANET
  300.  
  301. # The relayhost parameter specifies the default host to send mail to
  302. # when no entry is matched in the optional transport(5) table. When
  303. # no relayhost is given, mail is routed directly to the destination.
  304. #
  305. # On an intranet, specify the organizational domain name. If your
  306. # internal DNS uses no MX records, specify the name of the intranet
  307. # gateway host instead.
  308. #
  309. # In the case of SMTP, specify a domain, host, host:port, [host]:port,
  310. # [address] or [address]:port; the form [host] turns off MX lookups.
  311. #
  312. # If you're connected via UUCP, see also the default_transport parameter.
  313. #
  314. #relayhost = $mydomain
  315. #relayhost = [gateway.my.domain]
  316. #relayhost = [mailserver.isp.tld]
  317. #relayhost = uucphost
  318. #relayhost = [an.ip.add.ress]
  319.  
  320. # REJECTING UNKNOWN RELAY USERS
  321. #
  322. # The relay_recipient_maps parameter specifies optional lookup tables
  323. # with all addresses in the domains that match $relay_domains.
  324. #
  325. # If this parameter is defined, then the SMTP server will reject
  326. # mail for unknown relay users. This feature is off by default.
  327. #
  328. # The right-hand side of the lookup tables is conveniently ignored.
  329. # In the left-hand side, specify an @domain.tld wild-card, or specify
  330. # a user@domain.tld address.
  331. #
  332. #relay_recipient_maps = hash:/etc/postfix/relay_recipients
  333.  
  334. # INPUT RATE CONTROL
  335. #
  336. # The in_flow_delay configuration parameter implements mail input
  337. # flow control. This feature is turned on by default, although it
  338. # still needs further development (it's disabled on SCO UNIX due
  339. # to an SCO bug).
  340. #
  341. # A Postfix process will pause for $in_flow_delay seconds before
  342. # accepting a new message, when the message arrival rate exceeds the
  343. # message delivery rate. With the default 100 SMTP server process
  344. # limit, this limits the mail inflow to 100 messages a second more
  345. # than the number of messages delivered per second.
  346. #
  347. # Specify 0 to disable the feature. Valid delays are 0..10.
  348. #
  349. #in_flow_delay = 1s
  350.  
  351. # ADDRESS REWRITING
  352. #
  353. # The ADDRESS_REWRITING_README document gives information about
  354. # address masquerading or other forms of address rewriting including
  355. # username->Firstname.Lastname mapping.
  356.  
  357. # ADDRESS REDIRECTION (VIRTUAL DOMAIN)
  358. #
  359. # The VIRTUAL_README document gives information about the many forms
  360. # of domain hosting that Postfix supports.
  361.  
  362. # "USER HAS MOVED" BOUNCE MESSAGES
  363. #
  364. # See the discussion in the ADDRESS_REWRITING_README document.
  365.  
  366. # TRANSPORT MAP
  367. #
  368. # See the discussion in the ADDRESS_REWRITING_README document.
  369.  
  370. # ALIAS DATABASE
  371. #
  372. # The alias_maps parameter specifies the list of alias databases used
  373. # by the local delivery agent. The default list is system dependent.
  374. #
  375. # On systems with NIS, the default is to search the local alias
  376. # database, then the NIS alias database. See aliases(5) for syntax
  377. # details.
  378. #
  379. # If you change the alias database, run "postalias /etc/aliases" (or
  380. # wherever your system stores the mail alias file), or simply run
  381. # "newaliases" to build the necessary DBM or DB file.
  382. #
  383. # It will take a minute or so before changes become visible. Use
  384. # "postfix reload" to eliminate the delay.
  385. #
  386. #alias_maps = dbm:/etc/aliases
  387. alias_maps = hash:/etc/aliases
  388. #alias_maps = hash:/etc/aliases, nis:mail.aliases
  389. #alias_maps = netinfo:/aliases
  390.  
  391. # The alias_database parameter specifies the alias database(s) that
  392. # are built with "newaliases" or "sendmail -bi". This is a separate
  393. # configuration parameter, because alias_maps (see above) may specify
  394. # tables that are not necessarily all under control by Postfix.
  395. #
  396. #alias_database = dbm:/etc/aliases
  397. #alias_database = dbm:/etc/mail/aliases
  398. alias_database = hash:/etc/aliases
  399. #alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases
  400.  
  401. # ADDRESS EXTENSIONS (e.g., user+foo)
  402. #
  403. # The recipient_delimiter parameter specifies the separator between
  404. # user names and address extensions (user+foo). See canonical(5),
  405. # local(8), relocated(5) and virtual(5) for the effects this has on
  406. # aliases, canonical, virtual, relocated and .forward file lookups.
  407. # Basically, the software tries user+foo and .forward+foo before
  408. # trying user and .forward.
  409. #
  410. #recipient_delimiter = +
  411.  
  412. # DELIVERY TO MAILBOX
  413. #
  414. # The home_mailbox parameter specifies the optional pathname of a
  415. # mailbox file relative to a user's home directory. The default
  416. # mailbox file is /var/spool/mail/user or /var/mail/user. Specify
  417. # "Maildir/" for qmail-style delivery (the / is required).
  418. #
  419. #home_mailbox = Mailbox
  420. #home_mailbox = Maildir/
  421.  
  422. # The mail_spool_directory parameter specifies the directory where
  423. # UNIX-style mailboxes are kept. The default setting depends on the
  424. # system type.
  425. #
  426. #mail_spool_directory = /var/mail
  427. #mail_spool_directory = /var/spool/mail
  428.  
  429. # The mailbox_command parameter specifies the optional external
  430. # command to use instead of mailbox delivery. The command is run as
  431. # the recipient with proper HOME, SHELL and LOGNAME environment settings.
  432. # Exception: delivery for root is done as $default_user.
  433. #
  434. # Other environment variables of interest: USER (recipient username),
  435. # EXTENSION (address extension), DOMAIN (domain part of address),
  436. # and LOCAL (the address localpart).
  437. #
  438. # Unlike other Postfix configuration parameters, the mailbox_command
  439. # parameter is not subjected to $parameter substitutions. This is to
  440. # make it easier to specify shell syntax (see example below).
  441. #
  442. # Avoid shell meta characters because they will force Postfix to run
  443. # an expensive shell process. Procmail alone is expensive enough.
  444. #
  445. # IF YOU USE THIS TO DELIVER MAIL SYSTEM-WIDE, YOU MUST SET UP AN
  446. # ALIAS THAT FORWARDS MAIL FOR ROOT TO A REAL USER.
  447. #
  448. #mailbox_command = /some/where/procmail
  449. #mailbox_command = /some/where/procmail -a "$EXTENSION"
  450.  
  451. # The mailbox_transport specifies the optional transport in master.cf
  452. # to use after processing aliases and .forward files. This parameter
  453. # has precedence over the mailbox_command, fallback_transport and
  454. # luser_relay parameters.
  455. #
  456. # Specify a string of the form transport:nexthop, where transport is
  457. # the name of a mail delivery transport defined in master.cf. The
  458. # :nexthop part is optional. For more details see the sample transport
  459. # configuration file.
  460. #
  461. # NOTE: if you use this feature for accounts not in the UNIX password
  462. # file, then you must update the "local_recipient_maps" setting in
  463. # the main.cf file, otherwise the SMTP server will reject mail for
  464. # non-UNIX accounts with "User unknown in local recipient table".
  465. #
  466. # Cyrus IMAP over LMTP. Specify ``lmtpunix cmd="lmtpd"
  467. # listen="/var/imap/socket/lmtp" prefork=0'' in cyrus.conf.
  468. #mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  469.  
  470. # If using the cyrus-imapd IMAP server deliver local mail to the IMAP
  471. # server using LMTP (Local Mail Transport Protocol), this is prefered
  472. # over the older cyrus deliver program by setting the
  473. # mailbox_transport as below:
  474. #
  475. # mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  476. #
  477. # The efficiency of LMTP delivery for cyrus-imapd can be enhanced via
  478. # these settings.
  479. #
  480. # local_destination_recipient_limit = 300
  481. # local_destination_concurrency_limit = 5
  482. #
  483. # Of course you should adjust these settings as appropriate for the
  484. # capacity of the hardware you are using. The recipient limit setting
  485. # can be used to take advantage of the single instance message store
  486. # capability of Cyrus. The concurrency limit can be used to control
  487. # how many simultaneous LMTP sessions will be permitted to the Cyrus
  488. # message store.
  489. #
  490. # Cyrus IMAP via command line. Uncomment the "cyrus...pipe" and
  491. # subsequent line in master.cf.
  492. #mailbox_transport = cyrus
  493.  
  494. # The fallback_transport specifies the optional transport in master.cf
  495. # to use for recipients that are not found in the UNIX passwd database.
  496. # This parameter has precedence over the luser_relay parameter.
  497. #
  498. # Specify a string of the form transport:nexthop, where transport is
  499. # the name of a mail delivery transport defined in master.cf. The
  500. # :nexthop part is optional. For more details see the sample transport
  501. # configuration file.
  502. #
  503. # NOTE: if you use this feature for accounts not in the UNIX password
  504. # file, then you must update the "local_recipient_maps" setting in
  505. # the main.cf file, otherwise the SMTP server will reject mail for
  506. # non-UNIX accounts with "User unknown in local recipient table".
  507. #
  508. #fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp
  509. #fallback_transport =
  510.  
  511. # The luser_relay parameter specifies an optional destination address
  512. # for unknown recipients. By default, mail for unknown@$mydestination,
  513. # unknown@[$inet_interfaces] or unknown@[$proxy_interfaces] is returned
  514. # as undeliverable.
  515. #
  516. # The following expansions are done on luser_relay: $user (recipient
  517. # username), $shell (recipient shell), $home (recipient home directory),
  518. # $recipient (full recipient address), $extension (recipient address
  519. # extension), $domain (recipient domain), $local (entire recipient
  520. # localpart), $recipient_delimiter. Specify ${name?value} or
  521. # ${name:value} to expand value only when $name does (does not) exist.
  522. #
  523. # luser_relay works only for the default Postfix local delivery agent.
  524. #
  525. # NOTE: if you use this feature for accounts not in the UNIX password
  526. # file, then you must specify "local_recipient_maps =" (i.e. empty) in
  527. # the main.cf file, otherwise the SMTP server will reject mail for
  528. # non-UNIX accounts with "User unknown in local recipient table".
  529. #
  530. #luser_relay = $user@other.host
  531. #luser_relay = $local@other.host
  532. #luser_relay = admin+$local
  533.  
  534. # JUNK MAIL CONTROLS
  535. #
  536. # The controls listed here are only a very small subset. The file
  537. # SMTPD_ACCESS_README provides an overview.
  538.  
  539. # The header_checks parameter specifies an optional table with patterns
  540. # that each logical message header is matched against, including
  541. # headers that span multiple physical lines.
  542. #
  543. # By default, these patterns also apply to MIME headers and to the
  544. # headers of attached messages. With older Postfix versions, MIME and
  545. # attached message headers were treated as body text.
  546. #
  547. # For details, see "man header_checks".
  548. #
  549. #header_checks = regexp:/etc/postfix/header_checks
  550.  
  551. # FAST ETRN SERVICE
  552. #
  553. # Postfix maintains per-destination logfiles with information about
  554. # deferred mail, so that mail can be flushed quickly with the SMTP
  555. # "ETRN domain.tld" command, or by executing "sendmail -qRdomain.tld".
  556. # See the ETRN_README document for a detailed description.
  557. #
  558. # The fast_flush_domains parameter controls what destinations are
  559. # eligible for this service. By default, they are all domains that
  560. # this server is willing to relay mail to.
  561. #
  562. #fast_flush_domains = $relay_domains
  563.  
  564. # SHOW SOFTWARE VERSION OR NOT
  565. #
  566. # The smtpd_banner parameter specifies the text that follows the 220
  567. # code in the SMTP server's greeting banner. Some people like to see
  568. # the mail version advertised. By default, Postfix shows no version.
  569. #
  570. # You MUST specify $myhostname at the start of the text. That is an
  571. # RFC requirement. Postfix itself does not care.
  572. #
  573. #smtpd_banner = $myhostname ESMTP $mail_name
  574. #smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
  575.  
  576. # PARALLEL DELIVERY TO THE SAME DESTINATION
  577. #
  578. # How many parallel deliveries to the same user or domain? With local
  579. # delivery, it does not make sense to do massively parallel delivery
  580. # to the same user, because mailbox updates must happen sequentially,
  581. # and expensive pipelines in .forward files can cause disasters when
  582. # too many are run at the same time. With SMTP deliveries, 10
  583. # simultaneous connections to the same domain could be sufficient to
  584. # raise eyebrows.
  585. #
  586. # Each message delivery transport has its XXX_destination_concurrency_limit
  587. # parameter. The default is $default_destination_concurrency_limit for
  588. # most delivery transports. For the local delivery agent the default is 2.
  589.  
  590. #local_destination_concurrency_limit = 2
  591. #default_destination_concurrency_limit = 20
  592.  
  593. # DEBUGGING CONTROL
  594. #
  595. # The debug_peer_level parameter specifies the increment in verbose
  596. # logging level when an SMTP client or server host name or address
  597. # matches a pattern in the debug_peer_list parameter.
  598. #
  599. debug_peer_level = 2
  600.  
  601. # The debug_peer_list parameter specifies an optional list of domain
  602. # or network patterns, /file/name patterns or type:name tables. When
  603. # an SMTP client or server host name or address matches a pattern,
  604. # increase the verbose logging level by the amount specified in the
  605. # debug_peer_level parameter.
  606. #
  607. #debug_peer_list = 127.0.0.1
  608. #debug_peer_list = some.domain
  609.  
  610. # The debugger_command specifies the external command that is executed
  611. # when a Postfix daemon program is run with the -D option.
  612. #
  613. # Use "command .. & sleep 5" so that the debugger can attach before
  614. # the process marches on. If you use an X-based debugger, be sure to
  615. # set up your XAUTHORITY environment variable before starting Postfix.
  616. #
  617. debugger_command =
  618. PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
  619. ddd $daemon_directory/$process_name $process_id & sleep 5
  620.  
  621. # If you can't use X, use this to capture the call stack when a
  622. # daemon crashes. The result is in a file in the configuration
  623. # directory, and is named after the process name and the process ID.
  624. #
  625. # debugger_command =
  626. # PATH=/bin:/usr/bin:/usr/local/bin; export PATH; (echo cont;
  627. # echo where) | gdb $daemon_directory/$process_name $process_id 2>&1
  628. # >$config_directory/$process_name.$process_id.log & sleep 5
  629. #
  630. # Another possibility is to run gdb under a detached screen session.
  631. # To attach to the screen sesssion, su root and run "screen -r
  632. # <id_string>" where <id_string> uniquely matches one of the detached
  633. # sessions (from "screen -list").
  634. #
  635. # debugger_command =
  636. # PATH=/bin:/usr/bin:/sbin:/usr/sbin; export PATH; screen
  637. # -dmS $process_name gdb $daemon_directory/$process_name
  638. # $process_id & sleep 1
  639.  
  640. # INSTALL-TIME CONFIGURATION INFORMATION
  641. #
  642. # The following parameters are used when installing a new Postfix version.
  643. #
  644. # sendmail_path: The full pathname of the Postfix sendmail command.
  645. # This is the Sendmail-compatible mail posting interface.
  646. #
  647. sendmail_path = /usr/sbin/sendmail.postfix
  648.  
  649. # newaliases_path: The full pathname of the Postfix newaliases command.
  650. # This is the Sendmail-compatible command to build alias databases.
  651. #
  652. newaliases_path = /usr/bin/newaliases.postfix
  653.  
  654. # mailq_path: The full pathname of the Postfix mailq command. This
  655. # is the Sendmail-compatible mail queue listing command.
  656. #
  657. mailq_path = /usr/bin/mailq.postfix
  658.  
  659. # setgid_group: The group for mail submission and queue management
  660. # commands. This must be a group name with a numerical group ID that
  661. # is not shared with other accounts, not even with the Postfix account.
  662. #
  663. setgid_group = postdrop
  664.  
  665. # html_directory: The location of the Postfix HTML documentation.
  666. #
  667. html_directory = no
  668.  
  669. # manpage_directory: The location of the Postfix on-line manual pages.
  670. #
  671. manpage_directory = /usr/share/man
  672.  
  673. # sample_directory: The location of the Postfix sample configuration files.
  674. # This parameter is obsolete as of Postfix 2.1.
  675. #
  676. sample_directory = /usr/share/doc/postfix-2.10.1/samples
  677.  
  678. # readme_directory: The location of the Postfix README files.
  679. #
  680. readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
  681. myhostname = mail.nodesrv
  682. mydomain = com
  683. myorigin = $mydomain
  684. home_mailbox = mail/
  685. mynetworks = 127.0.0.0/8
  686. inet_interfaces = all
  687. inet_protocols = all
  688. inet_interfaces = localhost
  689. mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
  690. smtpd_sasl_type = dovecot
  691. smtpd_sasl_path = private/auth
  692. smtpd_sasl_local_domain =
  693. smtpd_sasl_security_options = noanonymous
  694. broken_sasl_auth_clients = yes
  695. smtpd_sasl_auth_enable = yes
  696. smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
  697. smtp_tls_security_level = may
  698. smtpd_tls_security_level = may
  699. smtp_tls_note_starttls_offer = yes
  700. smtpd_tls_loglevel = 1
  701. smtpd_tls_key_file = /etc/postfix/ssl/server.key
  702. smtpd_tls_cert_file = /etc/postfix/ssl/server.crt
  703. smtpd_tls_received_header = yes
  704. smtpd_tls_session_cache_timeout = 3600s
  705. tls_random_source = dev:/dev/urandom
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