[Mimedefang] Blocking Dictionary Attacks

[Les Mikesell]

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