On Monday 13 February 2006 17:10, Ti wrote: > > Mike Klinke: > > "Stuffed Up"? Does this mean "not delivered"? If so, it's > > easy for a mail admin to see whether a message is continuously > > hitting the greylisting block mechanism. > > Yes. But what about where there is no mail "admin"? What > happens when John Doe e-mails someone, and it comes back to him. > He posts again, and it comes back to him. The ISP's mail servers > are out of his control. Many ISPs have next to useless support > staff. > > Does this person manage to get his mail through, or does he give > up? I can't speak for anyone else's implementation but I've never seen the case in actual practice. > > > In nearly two years of running greylisting I've not had a > > problem with failed deliveries so far and some of my normal > > correspondents do use rotating mail servers for their outgoing > > mail. > > This does beg the obvious question: Do you get to find out about > it if someone can't post? Yes, a log of each attempt is kept. > > > However, if "stuffed up" simply means "delayed" then yes ALL > > mail gets delayed ( unless added to a whitelist ), some more > > than others depending on the mail server's retry cycle. > > I don't mind e-mail being non-instant, but when you have cases of > some messages taking hours, if not somewhere around a day, to get > delivered, I dislike that sort of delay. It can make e-mail > useless for some circumstances. Your patience, or impatience, will certainly have an impact on how well you think it works. In practice about the most I've seen is about a four hour delay. Regards, Mike Klinke
