Em 18-01-2011 13:26, Giles Coochey escreveu: > > I enabled Greylisting for a while. Unfortunately - I found that the > MTAs my MTA communicated with responded in unreliable ways. Some MTAs > would not try any of my MX records (all using the same Greylisting db) > for at least a day, while others would retry within 30minutes. > The Greylisting server might be good for busy servers once good > systems have been remembered, but if you have a small amount of mail > traffic and can cope with up to 24hour delays in your email then it's > fine and effective. > > I'm not prepared to wait 24 hours for mail servers to successfully > send me mails - it's the equivalent of sealing my letterbox on > Mondays, Wednesdays and Fridays for me, and I want near-real time > email communication. >
I also gave up using greylist due to the same problems. I replace the greylist by MAXRCPT and GREETDELAY (from John m. Simpson combined patches) and MAXCONNIP and MAXCONNC (from tcpserver-limits patch) and works fine for me.
