Increased Volumes Of Spam

[Scott Silva]

Randal, Phil spake the following on 1/16/2007 5:15 AM:
> Which MTA are you using?
> 
> If it's Sendmail 8.13, consider using the GreetPause feature.  You'll
> need to tune this because there are many broken MTAs out there.
> 
> cbl.abuseat.org or zen.spamhaus.org are both good enough to reject mail
> at the MTA level, search the archives for the details of how to override
> the rbls for specific senders / recipients in sendmail's "access" file.
> 
cbl.abuseat.org is part of zen.spamhaus.org, via the included lookup against
the xbl list, so using both just increases your dns lookups without any extra
benefit.
Greetpause does help a lot, as I probably drop 10 to 20% of the spam with it
alone. Five seconds is a good starting point, but probably not over 30 seconds.

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