Milter-greylist

Why not just list the 'problem servers' in /etc/mail/greylist.conf, like 
other ISP servers with similar issues?

I do think that time based would have a useful place, though.

Eric

On Fri, 27 May 2005, John Goggan wrote:

> Date: Fri, 27 May 2005 15:49:46 -0000
> From: John Goggan <jgoggan@...>
> Reply-To: milter-greylist@yahoogroups.com
> To: milter-greylist@yahoogroups.com
> Subject: [milter-greylist] Time-based greylisting?
> 
> Has anyone done anything with doing greylisting only during certain
> times of the day?
>
> We really like the greylisting idea, but have come across too many
> poorly configured or implemented servers that wait much more than the
> time suggested.  Some of them are waiting up to 6 hours apparently.
> During the day, this just isn't going to work for us -- we can't have
> mail for employees being delayed that long (even just once).
>
> However, a significant portion of the spam that we get seems to come
> in the off-hours.  Therefore, I think that, for us, a good option
> might be to greylist only from, say, 7pm until 6am -- and then do no
> greylisting during normal business hours.
>
> Is anyone doing anything like this?  I'd really like to see something
> like this in the greylist configuration -- but, as a temporary
> workaround method, it should work just to do cron jobs to start and
> stop the milter, correct?  With the milter stopped, sendmail will
> just process the mail normally, correct?
>
> - John...
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