Viktor Dukhovni via Postfix-users: > On Thu, Sep 18, 2025 at 11:16:43PM +0200, Steffen Nurpmeso via Postfix-users > wrote: > > > p$ telnet localhost 25 > > ... > > 220 kent.sdaoden.eu ESMTP Postfix > > ... > > RCPT TO:<"<[email protected]>" <[email protected]> > > (<[email protected]>)> > > 250 2.1.5 Ok > > This is garbage in, confusing RFC2822 message header address syntax) > with RFC2821 (SMTP envelope address syntax). Perhaps you meant to > give examples of "From:" headers with addresses that sloppy parsers > would mishandle. The above should simply be rejected.
With "strict_rfc821_envelopes = yes": RCPT TO:<"<[email protected]>" <[email protected]> (<[email protected]>)> 501 5.1.3 Bad recipient address syntax Wietse _______________________________________________ Postfix-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
