Re: [Exim] delivery stalls

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Autor: Suresh Ramasubramanian
Data:  
Para: exim users
Asunto: Re: [Exim] delivery stalls
Randy Bush [exim-users] <03/07/01 22:45 -0700>:
> Connecting to mail-h.tacky.com [666.101.52.22.25] ... connected
> SMTP<< 220
> ****************************************************************************2*************


This is the sign of a Cisco Pix "Mailguard" smtp firewall.

> Connecting to mail-r.tacky.com [666.85.74.22.25] ...

                                  ^^^^^^^^^^^^
                  wtf? what kind of IP is that?


> this is repeated at a half dozen targets. delivery had succeeded at over
> 100.


mail-h.tacky.com and mail-r.tacky.com don't seem to exist either.

mjollnir:~ dig @ns.uniquedomains.com tacky.com AXFR
tacky.com.              86400   IN      SOA     ns.uniquedomains.com.
webmaster.uniquedomains.com. 2000012944 10800 3600 604800 86400
tacky.com.              86400   IN      NS      ns.uniquedomains.com.
tacky.com.              86400   IN      NS      ns2.uniquedomains.com.
tacky.com.              86400   IN      A       207.71.8.59
www.tacky.com.          86400   IN      CNAME   tacky.com.
tacky.com.              86400   IN      SOA     ns.uniquedomains.com.
webmaster.uniquedomains.com. 2000012944 10800 3600 604800 86400
;; Query time: 1241 msec
;; SERVER: 207.71.8.59#53(ns.uniquedomains.com)
;; WHEN: Wed Jul  4 11:21:26 2001
;; XFR size: 7 records


... and tacky.com sure as hell doesn't have a Pix listening on port 25.

mjollnir:~ telnet tacky.com 25
Trying 207.71.8.59...
Connected to tacky.com.
Escape character is '^]'.
220 ns.uniquedomains.com ESMTP Sendmail 8.8.7/8.8.7; Tue, 3 Jul 2001 14:26:45 -0500
quit
221 ns.uniquedomains.com closing connection
Connection closed by foreign host.

--
Suresh Ramasubramanian <--> mallet <at> efn <dot> org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin