[Greylist-users] Re: ny enterprises using greylisting on Sendmail
ronaldoussoren at mac.com
Wed Sep 7 00:30:17 PDT 2005
On 7-sep-2005, at 6:07, Philip Kizer wrote:
> "Bob de Wildt" <bob.dewildt at cysonet.com> wrote:
>> At this moment we have all our MX servers deployed with relay delay.
>> Though we use 3 different databases to keep track of the triplets.
> We have multiple MX hosts as well (that are actually load-
> balanced), but a
> single mysql backend for all.
I've rolled back a greylisting setup with Postfix (and postgrey as
the greylisting service) due to some mail that got lost. On several
occassions we had complaints from users that mail didn't get through
without any feedback to the sender of the mail, all of those turned
out to be MTAs that didn't behave in an RFC compliant way.
I'm actually contemplating to restore greylisting because it is a
very effective way to block spam. I won't do that until I've either
found a greylisting solution for Postfix with better reporting, or
until I've written a reporting tool for postgrey. Not having
reporting tools makes it very hard to find and diagnose problems with
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