[ILUG] ILUG mail server now greylisting
kenn at bluetree.ie
Tue Feb 8 15:23:54 GMT 2005
> Folks -
> I've made a change to the configuration of the ILUG mail server (dagda)
> in that it now implements greylisting. Greylisting of incoming mail
> basically means that, on the first attempt to send a mail to dagda, the
> mail will be refused with a 450 (temporary error), but will be accepted
> should it be resent after five minutes. This actually traps quite a
> lot of spam, as most spammers don't bother to resend email.
> The visible result will be that mail takes longer to reach the list,
> probably about 15 minutes or so, depending on how other MTAs are
Does this apply to _all_ messages received by dagda, or only the first
message from a given host?
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