Re: Dropping rejected mail from a transport server

2009-03-18 Thread Costin Guşă
On Tue, Mar 17, 2009 at 8:58 PM, Chris Cameron ch...@upnix.com wrote: I have a Postfix server that sits in front of Exchange. Exchange has anti-spam software running that will reject what it deems as spam. This is creating a problem for Postfix, which accepts a message, and tries to send it to

Dropping rejected mail from a transport server

2009-03-17 Thread Chris Cameron
I have a Postfix server that sits in front of Exchange. Exchange has anti-spam software running that will reject what it deems as spam. This is creating a problem for Postfix, which accepts a message, and tries to send it to Exchange, who then rejects it. That leaves Postfix with an email it has

Re: Dropping rejected mail from a transport server

2009-03-17 Thread Terry Carmen
Chris Cameron wrote: I have a Postfix server that sits in front of Exchange. Exchange has anti-spam software running that will reject what it deems as spam. This is creating a problem for Postfix, which accepts a message, and tries to send it to Exchange, who then rejects it. That leaves Postfix

Re: Dropping rejected mail from a transport server

2009-03-17 Thread Magnus Bäck
On Tuesday, March 17, 2009 at 19:58 CET, Chris Cameron ch...@upnix.com wrote: I have a Postfix server that sits in front of Exchange. Exchange has anti-spam software running that will reject what it deems as spam. This is creating a problem for Postfix, which accepts a message, and tries

Re: Dropping rejected mail from a transport server

2009-03-17 Thread Peter Blair
If the exchange server is doing anti-spam analysis, then can't you setup the exchange server to be a before queue content filter? This will mean that your postfix server will still do all of the RBL and recipient checks, but the 5XX series block sent by postfix will be relayed via postfix to the