[HCS-D] New postfix, new spam filtering

Ivan Krstic krstic at hcs.harvard.edu
Fri May 20 20:12:38 EDT 2005

I've upgraded Postfix from 2.0.16 to 2.2.3 tonight, and installed some
spanking new antispam RBL filters.

I've also installed greylisting, which means inbound mail will get
delayed 300 seconds the first time its (sender, recipient, server)
triplet is seen. After that, it'll be allowed in normally.

Matt and I've been watching pretty carefully, and everything seems to
work fine. If you see anything suspicious, or if you see legitimate mail
bouncing, yell! We need to know about it.


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