Re: [exim] [Pkg-exim4-users] Use of primary_hostname with vi…

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Szerző: Magnus Holmgren
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Címzett: exim-users
Tárgy: Re: [exim] [Pkg-exim4-users] Use of primary_hostname with visiblename
On Thursday 19 October 2006 06:22, Ross Boylan took the opportunity to say:
> In an effort to fight spam, I reject messages when
> verify = helo
> fails, which I believe would happen in the previous scenario.


No, verify = helo checks that the HELO name resolves to the remote IP address
*or* the IP address reverse-resolves to the HELO name (or if the HELO name is
an IP literal, that it matches the remote address). So verify = helo is sane.
(Unfortunately some big players, like Hotmail, use HELO names that fail this
test.)

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Magnus Holmgren        holmgren@???
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