>>> Les Mikesell <[email protected]> 09/06/2009 18:59 >>> > Spammers are a lot smarter than that these days. If you watch your logs > during a dictionary attack you are likely to see the messages come in > from dozens of different IP addresses that are obviously coordinating > the address space and timing so you don't see a big number of addresses > come in from any single source, or on any single message, or fast enough > to overwhelm a reasonable server.
Agreed, some are smarter - but there's enough of the old sort to make it worthwhile. Recipient throttling, limits on the max number of recipients, etc are all worth doing - but for the specific case of a single server which tries a dictionary attack, MD is the place to trap for it. Best Wishes, Paul. _______________________________________________________________________ Argenta Discovery Ltd, 8-9 Spire Green Centre, Harlow, Essex, CM19 5TR Registered in England No. 3671653 _______________________________________________________________________ _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it. Visit http://www.mimedefang.org and http://www.roaringpenguin.com MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang

