Kristoff via Postfix-users: > Dec 17 04:32:05 smtp postfix/smtp[725772]: 4F58E6A10A0: > to=u...@example.com, > orig_to=SRS0=zxmM=H4=example.com=u...@ourhobbyclubdomain.com, > relay=mail.example.com[A.B.C.D]:25, delay=0.16, delays=0.05/0/0.08/0.02, > dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 714F7294BB2)
How are you verifying that an SRS-format recipient address is valid? Quoting from http://www.open-spf.org/SRS/ To prevent bad guys from using forwarders as an open relay, SRS adds a hash (...). It also adds a timestamp (...) which causes addresses to expire. If you simply remove the SRS formatting without checking a hash ot expiration time, then you will be an open relay and you should fix that. Wietse _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
