On Sun, Apr 09, 2023 at 08:08:04PM -0400, François via Postfix-users wrote:
> The regexp:/etc/postfix/canonical just did not want to map reliably a
> domain name to a certain Return-Path, even though I tested successfully all
> regular expressions with (for example):
>
> postmap -q "info[at]ghi.com" regexp:/etc/postfix/canonical
>
> when used to test the file listing the following:
>
> /@abc\.com/ address_1[at]whereto.com
> /@def\.com/ address_1[at]whereto.com
> /@ghi\.com/ address_2[at]whereto.com
> /@jkl\.com/ address_1[at]whereto.com
You had a mistake in "main.cf", which you never posted:
https://www.postfix.org/DEBUG_README.html#mail
> Those are pretty vanilla regular expressions matching all email addresses
> of the listed domains.
They are (typically) sloppy. The correct form is:
/@abc\.com$/ addres...@whereto.com
/@def\.com$/ addres...@whereto.com
/@jkl\.com$/ addres...@whereto.com
/@ghi\.com$/ addres...@whereto.com
Also, in case it is applicable, keep in mind that canonical mapping is
recursive, and will apply to the RHS forms, should those also match.
> Why "postmap -q" and the actual sending of a message from these
> domains behave differently I just don't understand.
No telepaths on this list:
https://www.postfix.org/DEBUG_README.html#mail
--
Viktor.
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