On Wednesday June 15 2005 2:16 pm, Mark Nipper wrote: > On 15 Jun 2005, David Woodhouse wrote: > > On Wed, 2005-06-15 at 18:43 +0200, Steffen Heil wrote: > > > I don't want to take this into account, since I do greylisting > > > at RCPT time. > > > > But that presumably means you're doing greylisting > > unconditionally. It makes a lot more sense only to do it for mail > > which is actually considered suspicious for some reason. > > > > Otherwise you just end up delaying a lot of good mail for no > > reason. > > Isn't that really kind of the whole point? If the mail > is legitimate (ideally), the remote side will resend in a bit and > the tuplet will be recognized as valid at that point for some set > period of time (few weeks to months normally).
That's more or less Debian's idea of it. greylistd (which provides greylisting for exim4 in Debian) has a default greylist interval of 60 minutes and saves tuplets for 2 weeks. It works out really well after a day or two. > Outside of the initial delay for the first message, any > regular e-mail traffic will flow normally as it should. It does at ursine.ca, so there's at least a small case-in-point. > You have to keep an eye on known mailing list hosts of course > whenever they change the envelope sender for each message sent from > a list and just add the exception as needed. I haven't had a problem with mailing list hosts, they get whitelisted by greylistd just fine on their own. -- Paul Johnson Email and Instant Messenger (Jabber): [EMAIL PROTECTED] http://ursine.ca/~baloo/
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