Re: [exim] host_lookup = *

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Auteur: ROGERS Richard
Date:  
À: Phil \(Medway Hosting\), Exim Users List
Sujet: Re: [exim] host_lookup = *
Phil (Medway Hosting) wrote:
> I have been rejecting ALL connections with no rDNS for at least 6
> months. Not a single false positive reported - yet.
>
> All the best
>
> Phil


I think you nmay have been lucky - there are certainly some out there.
This one (brought to my attention the other day) has a pleasing irony to
it, seeing who is involved...

2007-08-15 13:14:48 H=(skymail.btinet.local) [62.173.121.97]
F=<XXXXXXX@???> temporarily rejected RCPT
<XXXXXXXX@???>: acl_rcpt: Cannot reverse DNS 62.173.121.97:
host lookup failed (62.173.121.97 does not match any IP address for
unallocated.star.net.uk)

Incidentally, this test is an "opt in" for our users (exactly because
there is the occasional false positive).

Regards

Richard

--
Richard Rogers
IT Development and Innovation Manager
Staffordshire University


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