Sad Clouds via Postfix-users:
> On Thu, 26 Mar 2026 15:26:28 -0400 (EDT)
> Wietse Venema via Postfix-users <[email protected]> wrote:
>
> > It's called smtpd_sender_login_maps i.e. the plural form.
> > This means you can do:
> >
> > /path/to/main.cf:
> > smtpd_sender_login_maps =
> > pcre:/path/to/this hash:/path/to/that
> >
> > /path/to/this:
> > # Requires that login name equals the non-plussed sender address
> > /^([^+@]+)(\+[^@]*)?(@.+)$/ $1$3
> >
> > /path/to/that:
> > [email protected] [email protected], [email protected]
>
> That is exactly what I was using, minus the pcre in your example.
> I followed example at https://www.postfix.org/SASL_README.html and
> section "Envelope sender address authorization"
>
> Thanks for the pcre example, this seems to be compatible with regexp,
> as my Postfix install does not support pcre:
>
> smtpd_sender_login_maps =
> regexp:/etc/postfix/smtpd_sender_login_maps.regexp
> hash:/etc/postfix/smtpd_sender_login_maps
>
> # cat /etc/postfix/smtpd_sender_login_maps.regexp
> /^([^+@]+)(\+[^@]*)?(@.+)$/ $1$3
>
> # cat /etc/postfix/smtpd_sender_login_maps
> [email protected] [email protected]
>
> However adding the regexp results in mail from support@ rejected when
> sent by marco@:
>
> <mail.info>Mar 26 21:10:06 vmsrv-qconix-node1 postfix/submission/smtpd[1449]:
> connect from rp4-8g.home.lan[10.0.0.6]
> <mail.info>Mar 26 21:10:06 vmsrv-qconix-node1 postfix/submission/smtpd[1449]:
> NOQUEUE: reject: RCPT from rp4-8g.home.lan[10.0.0.6]: 553 5.7.1
> <[email protected]>: Sender address rejected: not owned by user
> [email protected]; from=<[email protected]> to=<[email protected]>
> proto=ESMTP helo=<rp4-8g.home.lan>
Right. You need the hash map (which is selective) before the regexp map
which will match slmost everything.
Wietse
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