On Tue, 2011-07-12 at 04:16 +0100, Always Learning wrote:
> I use the standard Exim supplied with Centos 5.6 (Exim version 4.63 #1
> built 10-Dec-2010 16:36:10)
>
> I noticed in Logwatch:-
>
> 2011-07-06 07:13:46 H=[210.51.1.248]:53078 I=[xx.xx.xx.xx]:25 rejected
> connection in "connect" ACL: host lookup failed (210.51.1.248 does not
> match any IP address for mail.sailblog.cn): 1 Time(s)
>
> yet:-
> host 210.51.1.248
>
> reveals:-
>
> 248.1.51.210.in-addr.arpa domain name pointer mail.sailblog.cn.
> 248.1.51.210.in-addr.arpa domain name pointer mail.powermail.com.cn.
> 248.1.51.210.in-addr.arpa domain name pointer sailblog.cn.
> 248.1.51.210.in-addr.arpa domain name pointer powermail.com.cn.
>
> The ACL is:-
>
>
> acl_check_connection:
>
> accept hosts = /data/config/exim/mx.hosts.accept.a
>
> accept verify = reverse_host_lookup
>
> accept
I notice that
host mail.sailblog.cn
reveals
mail.sailblog.cn is an alias for mail.cn4dns.com.
mail.cn4dns.com has address 61.4.82.32
so should the error message be made more accurate? For example
"IP address for mail.sailblog.cn does not match 210.51.1.248"
--
With best regards,
Paul.
England,
EU.
