Re: [exim] HostEurope anybody

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Autor: tech-lists
Data:  
Dla: Adam D. Barratt
CC: exim-users
Temat: Re: [exim] HostEurope anybody
On 17/02/2018 16:21, Adam D. Barratt via Exim-users wrote:
> There's absolutely no "must" in there, and indeed a "should not fail". 
>
> Indeed, the concept of RDNS delegation, as per e.g. RFC 2317 (which is
> what the original query appears to revolve around) *requires* the
> immediate target of a reverse lookup to be able to be a CNAME.


Well, I learned something today (I didn't know about RFC 2317).

Indeed, if you sent mail to me it would be accepted:

# exim -bh 84.19.194.3

**** SMTP testing session as if from host 84.19.194.3
**** but without any ident (RFC 1413) callback.
**** This is not for real!

>>> host in hosts_connection_nolog? no (option unset)


>>> host in host_lookup? yes (matched "*")
>>> looking up host name for 84.19.194.3
>>> IP address lookup yielded "pop.net.schlittermann.de"
>>> checking addresses for pop.net.schlittermann.de
>>> 84.19.194.3 OK


>>> host in host_reject_connection? no (option unset)
>>> host in sender_unqualified_hosts? no (option unset)
>>> host in recipient_unqualified_hosts? no (option unset)
>>> host in helo_verify_hosts? no (option unset)
>>> host in helo_try_verify_hosts? no (option unset)
>>> host in helo_accept_junk_hosts? no (option unset)

220 rpi3.zyxst.net ESMTP Exim 4.90_1 Sat, 17 Feb 2018 22:31:01 +0000

--
J.