sendmail mailscanner exchange gateway

[Glenn Steen]

2008/11/27 Kit Wong <Kit at simplysites.co.uk>:
> Hi All
>
> I have setup a gateway using sendmail, mailscanner then to exhange as found
> http://wiki.mailscanner.info/doku.php?id=documentation:configuration:mta:sendmail:how_to:setup_a_gateway&s=smtp
> Using this method however has its problems. Unknown email addresses are
> not rejected at the MTA level, which causes unneccessary load on MS.
>
> Is there a method where I can configure sendmail to accept only valid email
> address then process it by mailscanner and smtp forwarded to the desired
> exchange server?
>
> Thanks in advance
> Kit

You can use a milter to do recipient address verification, if neither
of the other suggestions are to your liking... As mentioned on the
wiki (another article in the sendmail how_to folder), smf-sav is OK.
Look at http://wiki.mailscanner.info/doku.php?id=documentation:configuration:mta:sendmail:how_to:reject_non_existent_users

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se