Milter-greylist

On Tue, Nov 29, 2005 at 04:33:55PM -0600, Thomas Cameron wrote:
> There's a happy flame-fest (greylist rules vs. greylist sucks) going on
> on my LUG mailing list, and a question has arisen which I can't answer.

Does this LUG sucks or does it rules? :-)

> We can set the retry interval in /etc/mail/greylist.conf file (i.e.
> "greylist 1h"), and the error message which is sent back to the sending
> server looks something like "reject=451 4.7.1 Greylisting in action,
> please come back in 00:01:00"
> 
> Is the text after the 451 error code actually interpreted by the sending
> MTA?  Or is it just human readable info for the sysadmin reading log
> files on the sending side?

451 4.7.1 are for machines. The strings are for humans.

> The reason I ask is, I've seen Exchange servers with the default 15
> minute retry configured re-send within just a few minutes (i.e. less
> than 5) when I set "greylist 1m" in my greylist.conf.
> 
> Am I smoking crack?  What is the scoop here?

Well, I'd say one need to smoke crack to choose Exchange.

-- 
Emmanuel Dreyfus
manu@...