Theo de Raadt <dera...@cvs.openbsd.org> writes:

> it is still false to say that greylisting wasn't permitted by the
> original RFC's.
>
> it was, and it is.

Any reasonable interpretation (IMO) of the relevant parts of RFC5321 and
RFC2821 means that greylisting is well within the protocol specs.  That
did however not stop people from claiming otherwise, and it was a bit
disappointing back in 2008 to find that the update did not provide even
clearer language. All water under the bridge soonish now, it seems.

- P

-- 
Peter N. M. Hansteen, member of the first RFC 1149 implementation team
http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/
"Remember to set the evil bit on all malicious network traffic"
delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.

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