Roland Pope wrote: > I have implemented a fiddled version of John Kirkland's MySQL > MD-Greylist code (Thanks to Gary Funk for sending me the code), which is > reducing SPAM, but producing complaints from users that some important > customer emails are being delayed.
> Ie. When one of my users sends an email from [EMAIL PROTECTED] to > [EMAIL PROTECTED], I lookup custnet.com in DNS, get the IP's of the > highest priority MX's and create a whitelist entry so that it decreases > the chance that a reply from [EMAIL PROTECTED] to [EMAIL PROTECTED] > gets delayed by the greylist code. That assumes that custnet.com sends outbound mail from the same host that processes inbound mail, which may not be true. > What do you think about this idea? Does anyone have any suggestions for > improvements? We whitelist any host that successfully passes the "greylist hurdle". This whitelist lasts for 40 days, and is very good at reducing problems caused by delayed mail, which not substantially weakening the effectiveness of greylisting. Regards, David. _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it. Visit http://www.mimedefang.org and http://www.roaringpenguin.com MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
