Very interesting - and scary to be honest :(

I'm guessing most greylisting software out there also operates with a set
expire for each record? This being pretty high - obviously... 1-30 days or
what is reasonable.

 - Nicolai


-----Original Message-----
From: Bob Proulx [mailto:[EMAIL PROTECTED] 
Sent: 23. november 2006 07:57
To: users@spamassassin.apache.org
Subject: Re: Greylisting


Philip Prindeville wrote:
> Don't they?  I thought the recommended retry time was 2 minutes, 
> doubling on each failure, and maxing out at 2 hours.

The traditional Sendmail would retry either every 15 or every 30 minutes.
This would almost always be seen as the command line setting as sendmail
-q30m.  But this may have changed in recent Sendmail releases.  I just
checked a stock RHEL4 system and the queue retry time by default there is
1h.  So from such a system a greylisting would delay the initial message by
1h.  Subsequent messages would pass without delay.

Bob

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