use MailScanner as gateway

Jules Field MailScanner at
Tue Aug 4 21:32:46 IST 2009

Look for "milter-ahead" in Google. That will do the job very nicely for 
you, by calling ahead to the Exchange server to verify recipient 
addresses before it accepts the message into sendmail on the MailScanner 

On 04/08/2009 20:55, Chris Yuzik wrote:
> Hi everyone,
> I need to configure our mail server to allow 
> MailScanner/Sendmail/Procmail to act as a gateway in front of an 
> exchange server. I found the instructions in the MailScanner WIKI, but 
> would like to configure our system to reject messages intended for 
> non-existent messages on the exchange server. The gateway server will 
> be at a data center, while the exchange server will be physically in 
> the client's office behind a firewall. Anyone know how to do this?
> Thanks,
> Chris


Julian Field MEng CITP CEng
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