Postgrey Options

Jeff Anderson jefferya at
Tue Feb 12 09:56:28 MST 2008

I second that.
We moved from dspam to spamassassin/greylisting, and I'm surprised if a 
spam makes it to my inbox, where before, I felt like I'd have to spend 
an hour every other day training and cleaning up. Greylisting was what 
made it amazing.

Jeff Anderson

Corey Edwards wrote:
> On Tue, 2008-02-12 at 09:13 -0700, Lonnie Olson wrote:
>> Chris Carey wrote:
>>> What configuration options are you all using? I have the delay set to
>>> 1 minute (I believe the default is 5 minutes). Do you find that a
>>> longer delay actually helps significantly more? From what I remember
>>> in the documentation, the theory is that in that delay time, the
>>> chances of the spamming source getting put on a blacklist increases.
>>> This way, when the message finally makes it through, its finally on a
>>> blacklist and spamassassin has a better chance of catching spam. Do
>>> you find this to be the case?
>> Since greylisting is to keep spammers out, who don't retry at all, any 
>> delay greater than 5 seconds should be good enough.
> You'd think so, but I have seen spammers who retry. It would be
> interesting to do an analysis of it but I've never quite been that
> motivated. I can say that after I added greylisting, my spam levels have
> dropped off quite a bit. It's worth the wait to me.
> Corey
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