Am 03.01.2011 13:26, schrieb Ralf W.: > Hello List - I have a client who has a MS-SBS and using a pop3 connector to > pop > emails from our server. It turns out that the SBS at some messages will not > pull the email, and is saying that the email header from this email is > corrupted. After this the SBS will not pull any emails anymore. The client > has > to use the webmail accout, delete the email message in question, before all > other email will get delivered. > I'm getting the indication that the Return-Path: <MAILER-DAEMON> could be the > problem. Can somebody explain to me if you every had some problem like this > and > how to fix it. > > Thank you, > Ralf > > > postfix is a smtp server, not pop3 look on the local mailbox on your postfix server with a local client ( mutt,pine ) or remote client ( thunderbird etc if possible), if the message is ok, check your pop 3 server ( whatever it is ) check your antispam,antivirus ( mostly source of problems until scanning mail ), if this is all ok at your side check the client pop3 downloader and its antivirus etc solution ( my bet goes there ), guess the MAILER-DAEMON comes from your pop3 downloader putting mail in some remote smtp server i had failure message in a equal setup by a buggy network interface on the client pop side only with pdf attachments in the past provide more info to debug but postfix is mostly not involved in such problems ( until your setup and hardware is ok ) -- Best Regards
MfG Robert Schetterer Germany/Munich/Bavaria