[Mimedefang] Re: compare mimedefang to mailscanner

[John Rudd]

David F. Skoll wrote:
> Les Mikesell wrote:
> 
>> Does mailscanner on a relay machine have a way to check valid users
>> on the destination host before accepting?
> 
> I believe mailscanner is intended to be run on your actual, final MTA.
> If you want to run a mailscanner machine in front of (say) M$ Exchange,
> you need to arrange (somehow) for it to reject unknown recipients.
> 

more clearly: You need to arrange for the MTA to reject unknown 
recipients.  MailScanner wont fill that role for you.