106 lines
4.0 KiB
Plaintext
106 lines
4.0 KiB
Plaintext
#++
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# NAME
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# virtual 5
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# SUMMARY
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# format of Postfix virtual table
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# SYNOPSIS
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# \fBpostmap /etc/postfix/virtual\fR
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# DESCRIPTION
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# The optional \fBvirtual\fR table specifies redirections for local
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# and non-local recipients or domains. The redirections are used by
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# the \fBcleanup\fR(8) daemon. The redirections are recursive.
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#
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# The \fBvirtual\fR redirection is applied only to the recipient
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# envelope address, and does not affect message headers.
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# Think Sendmail rule set \fBS0\fR, if you like. Use \fBcanonical\fR(5)
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# mapping to rewrite header and envelope addresses in general.
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#
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# The file serves as input to the \fBpostmap\fR(1) command. The
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# result, an indexed file in \fBdbm\fR or \fBdb\fR format,
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# is used for fast searching by the mail system. After an update
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# it may take a minute or so before the change becomes visible.
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# Issue a \fBpostfix reload\fR command to eliminate the delay.
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#
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# Typical support for a virtual domain looks like the following:
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#
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# .in +4
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# .nf
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# \fIvirtual.domain anything\fR (right-hand content does not matter)
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# \fIuser1@virtual.domain address1\fR
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# \fIuser2@virtual.domain address2, address3\fR
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# .fi
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# .in -4
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#
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# With this, the SMTP server accepts mail for \fIvirtual.domain\fR and
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# rejects mail for \fIunknown\fR@\fIvirtual.domain\fR as undeliverable.
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#
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# The format of the virtual table is as follows, mappings being
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# tried in the order as listed in this manual page:
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# .IP "blanks and comments"
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# Blank lines are ignored, as are lines beginning with `#'.
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# .IP "\fIuser\fR@\fIdomain address, address, ...\fR"
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# Mail for \fIuser\fR@\fIdomain\fR is redirected to \fIaddress\fR.
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# This form has the highest precedence.
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# .IP "\fIuser address, address, ...\fR"
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# Mail for \fIuser\fR@\fIsite\fR is redirected to \fIaddress\fR when
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# \fIsite\fR is equal to $\fBmyorigin\fR, when \fIsite\fR is listed in
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# $\fRmydestination\fR, or when it is listed in $\fIinet_interfaces\fR.
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# .sp
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# This functionality overlaps with functionality of the local
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# \fIalias\fR(5) database. The difference is that \fBvirtual\fR
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# mapping can be applied to non-local addresses.
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# .IP "@\fIdomain address, address, ...\fR"
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# Mail for any user in \fIdomain\fR is redirected to \fIaddress\fR.
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# This form has the lowest precedence.
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# .PP
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# In all the above forms, when \fIaddress\fR has the form
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# @\fIotherdomain\fR, the result is the same user in \fIotherdomain\fR.
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# This works for the first address in the expansion only.
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# ADDRESS EXTENSION
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# .fi
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# .ad
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# When the search fails, and the address localpart contains the
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# optional recipient delimiter (e.g., \fIuser+foo\fR@\fIdomain\fR),
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# the search is repeated for the unextended address (e.g.
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# \fIuser\fR@\fIdomain\fR), and the unmatched address extension is
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# propagated to the result of expansion. The matching order is:
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# \fIuser+foo\fR@\fIdomain\fR, \fIuser\fR@\fIdomain\fR,
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# \fIuser+foo\fR, \fIuser\fR, and @\fIdomain\fR.
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# BUGS
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# The table format does not understand quoting conventions.
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# CONFIGURATION PARAMETERS
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# .ad
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# .fi
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# The following \fBmain.cf\fR parameters are especially relevant to
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# this topic. See the Postfix \fBmain.cf\fR file for syntax details
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# and for default values. Use the \fBpostfix reload\fR command after
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# a configuration change.
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# .IP \fBvirtual_maps\fR
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# List of virtual mapping tables.
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# .PP
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# Other parameters of interest:
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# .IP \fBinet_interfaces\fR
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# The network interface addresses that this system receives mail on.
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# .IP \fBmydestination\fR
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# List of domains that this mail system considers local.
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# .IP \fBmyorigin\fR
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# The domain that is appended to locally-posted mail.
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# .IP \fBowner_request_special\fR
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# Give special treatment to \fBowner-\fIxxx\fR and \fIxxx\fB-request\fR
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# addresses.
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# SEE ALSO
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# cleanup(8) canonicalize and enqueue mail
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# postmap(1) create mapping table
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# LICENSE
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# .ad
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# .fi
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# The Secure Mailer license must be distributed with this software.
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# AUTHOR(S)
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# Wietse Venema
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# IBM T.J. Watson Research
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# P.O. Box 704
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# Yorktown Heights, NY 10598, USA
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#--
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# By default, this file is not used. See sample-virtual.cf
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