My solution does completely remove the Received header, so that the next-hop adds an appropriate one, usually pointing to the sending MX‘ ip address. The MX doesn’t have to forward any sensitive information about the MUA to the receiving MTA.
Ömer > Am 05.02.2025 um 14:02 schrieb Geert Hendrickx via Postfix-users > <postfix-users@postfix.org>: > On Tue, Feb 04, 2025 at 17:09:52 -0500, Wietse Venema via Postfix-users > wrote: >> This reduces the Received: header from: >> >> Received: from <client name/address, SASL login, TLS details> >> by servername (Postfix) with XXXX id yyy; server-date-stamp >> >> to: >> >> Received: by servername (Postfix) with XXXX id yyy; server-date-stamp > > > It seems that such reduced Received header would not be RFC5321 compliant, > as the "from <client name>" clause is mandatory according to section 4.4. > > > Geert > > > _______________________________________________ > Postfix-users mailing list -- postfix-users@postfix.org > To unsubscribe send an email to postfix-users-le...@postfix.org
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