[Bug 253035] New port: mail/postforward: Postfix SRS forwarding agent

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Jan 26 21:29:03 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253035

            Bug ID: 253035
           Summary: New port: mail/postforward: Postfix SRS forwarding
                    agent
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs at FreeBSD.org
          Reporter: mirror at asgard.ch

Created attachment 221948
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=221948&action=edit
New port: mail/postforward: Postfix SRS forwarding agent

Postforward is a mail forwarding utility which aims to compliment the Postfix
Sender Rewriting Scheme daemon (mail/postsrsd).

The downside of using PostSRSd is that all mail is naively rewritten, even when
no forwarding is actually performed. Such rewritten Return-Path addresses may
confuse sieve scripts and other mail filtering software.

This is where Postforward comes in. Instead of rewriting all incoming mail
regardless of final destination, mail systems may be configured to pipe mail
into Postforward only when forwarding needs to happen, leaving non-forwarded
mail unaltered by PostSRSd. Postforward will rewrite envelope addresses for
piped mail using PostSRSd itself and re-inject these messages back into the
queue, destined for the forwarding recipient(s).

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