[Mimedefang] Blocking Dictionary Attacks

Les Mikesell les at futuresource.com
Mon Jun 8 10:43:44 EDT 2009

Matt Garretson wrote:
> afo cliff wrote:
>> @mydomain.com bitbucket
> You can also do something like this in your virtusertable:
> @mydomain.com  error:5.1.1:550 User unknown
> Then, you won't need the bitbucket alias.
> See http://www.sendmail.org/m4/features.html

Yes, that approach will be much faster - sendmail will reject everything 
early unless it has a valid recipient and it won't have to go through 
the mimedefang spam/virus scan.

   Les Mikesell
    lesmikesell at gmail.com

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