On Mon, Feb 12, 2024 at 04:28:41PM +0100, Aleksandar Ivanisevic via
Postfix-users wrote:
>
> Is it true that masquerade_domains does not work for header From: in relayed
> emails? I have a fairly generic setup:
>
> masquerade_classes = envelope_sender, header_sender, header_recipient
> masquerade_domains = mydomain.com
>
> that does indeed rewrite envelope from, but not header from, and subsequently
> DKIM signer (opendkim) in my relay does not match and does not sign the email.
>
> if this is true, how do i properly masquerade header from in relayed emails?
>
> header_checks? Does not seem to have regexp groups replace so
>
> /From: (.*)@.*?mydomain.com/ <http://mydomain.com/> REPLACE From:
> [email protected] <mailto:[email protected]>
>
> does not seem to work and it does not really cover all cases like From: “some
> name “ <[email protected]>, etc.
Add the outbound relay domain mail clients (those whose mail should be
DKIM signed, rather than verified) to:
https://www.postfix.org/postconf.5.html#local_header_rewrite_clients
--
Viktor.
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