[ILUG] Re: [GLUG-tech] exim and grey listing
jtang at tchpc.tcd.ie
Fri Aug 3 15:24:40 IST 2007
On Thu, Aug 02, 2007 at 08:48:12PM +0100, Belgarath wrote:
> > Depending on the sending MTA, the delay can be minutes or hours. I
> > would imagine that business people would be unwilling to wait that
> > long. It does become a PITA every now and again. However, it's cut my
> > spam from >150/day to about 5-6 a day.
> Well it depends on the implementation my graylist blocks only first attempt
> form the e-amil adres/ip hash so if sombody sends a message again it goes
> through the db is kept for one month so only the first message is delayed :)
I prefer no-listing myself over grey-listing, save yourself the hassle of
keeping a database up to date but at a cost of wasting an ip address or
some fiddling with firewalls.
Trinity Centre for High Performance Computing,
Lloyd Building, Trinity College Dublin, Dublin 2, Ireland.
http://www.tchpc.tcd.ie/ | http://www.tchpc.tcd.ie/~jtang
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