Re: machine gun
Bob Beck <[email protected]>
| Newsgroups | gmane.mail.spam.greylist.user |
|---|---|
| Message-ID | <[email protected]> |
> > Means it is probably time to start exploring that in greylisting > > software - Should be easy enough to detect number of retries > X where X > > is "many" in the greylisting period, and just like deciding a server that > > does not retry is hostile, a server that retries exessively or stupidly > > is also hostile. Getting X right is the trick. > > > > What you think barb? 100 in 30 minutes is too much? or less? > > A known server from which you wish to receive email might as well be > whitelisted. It is bad guys that greylisting is intended to keep out. To > continue the second example, unless you have no users with eBay accounts, > you wish to receive mail from eBay's fleet of servers. > You miss the point, I already whitelist the majors (and as well on average about 110,000 other hosts) . that's not a problem. I'm talking about settings for a previously unseen server that starts machine gunning while in the greylist. I'm trying to get a threshold at which the level of retries is a certain indicator of something I do not wish to allow to pass the greylist. -Bob