[Mimedefang] Blocking Dictionary Attacks

afo cliff afocliff at gmail.com
Tue Jun 9 10:11:42 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 thanks, I tried that, the down side for me is that it sends a
"User Unknown" reject notification, which I'm trying to avoid.  I
don't want my server to waste time sending 10,000 rejects to a zombie

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