On Mon, Sep 21, 2026, Sebastian Hagedorn via mailop wrote: > "The sender's domain in the 5322.From address ...
> I am guessing that refers to the envelope From, RFC 5322 is about headers (etc), not envelopes (RFC 5321). [so now let's see how many "MTA"s try to connect to mine for some obscure reasons] _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
