George Georgalis schrieb/wrote/a écrit/escribió: > On Fri, Nov 26, 2004 at 10:57:31AM +0100, Florian Weimer wrote: > >* Christian Storch: > >> What about greylisting depending on results of e.g. SA? > >> Only above a limit of scores from SA greylisting would be become active. > >This is very impolite because it requires that the entire message is > >transferred at least twice. > I thought greylisting closes the smtp connection with a temporary > failure immediately to unfamiliar routers. Then they can transmit the > message on a second attempt, but since spam relays don't queue, they > won't try again. Chrisitan proposed greylisting based on SA scores - that requires the messages to be transmitted before rejecting them the first time (with an temporary error), and then to be transmitted again. It's a matter of time til the spammers begin to implement queues in their spamware (on some infected Windows zombies). Greylisting is obsolete then.
Attachment:
pgpSzRW6KeDKs.pgp
Description: PGP signature