On 28.05.2010, at 02:45, Wietse Venema wrote: > The pastebin logging does not prove that spam came in on this port 25.
Thanks a lot, that was the hint! I had recently misconfigured port 587. Now I changed it to: 587 inet n - n - - smtpd -o smtpd_client_restrictions=permit_sasl_authenticated,reject That should be safe... Jan-Kaspar