Leigh S. Jones, KR6X wrote:
> My understanding was that the contents of smtpaccess.dat only affected
> port 25.  Thus additional changes would be required to block attempted
> compromises on other ports.

Perhaps using a good firewall would be better?  I mean, I hear that 
linux has a command line driven software firewall that could be of use 
if scripted.  Could operate similar to timed ban lists on chat rooms... 
  So many invalid logins from host x in period y and the script updates 
the firewall to just drop everything from that host until removed.  Have 
it set to remove in like a day or two.

Might get a bit complicated but perhaps even an SQL database of previous 
offending IP's could be used to do increasing time limited bans for 
repeat offenders.

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