Re: [Exim] confused with ETRN

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Συντάκτης: Philip Hazel
Ημερομηνία:  
Προς: David Woodhouse
Υ/ο: exim-users, Steve Foster
Αντικείμενο: Re: [Exim] confused with ETRN
On Mon, 18 Nov 2002, David Woodhouse wrote:

> TURN was only a security risk before TLS allowed connecting hosts to
> properly authenticate themselves.


True, but TURN dates from 1982 and TLS from 1999, so it was a security
risk for quite a while. The ETRN RFC is dated 1996.

> TURN would be quite hard to do properly in Exim though, wouldn't it?


Yes. Exim isn't designed that way. You can't even do ETRN properly
if you leave messages on Exim's queue, because Exim doesn't keep queues
of mail on a per-host basis.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.