In message <20100128164654.gz16...@sizone.org>, Ken Chase writes:
> Can I get a rogers engineer who not only cares but has power to crush problem
> s
> to respond to this please?
> 
> Opening tickets with RNS seems to just get a null responce, "we'll look at it
> " with
> a hint of disbelief a customer ticket could uncover a large network-wide issu
> e.
> 
> It's an old problem that was temporarily fixed for a while, but is now back.
> 
>  Jan 28 06:46:00 cust1 postfix/smtpd[416]: NOQUEUE: reject: RCPT 
>        from unknown[74.198.8.2]: 450 4.7.1 Client host rejected: cannot 
>        find your reverse hostname, [74.198.8.2]; 
>        from=<sa...@customer.com> to=<tr...@customer.com> 
>        proto=ESMTP helo=<to5email1.gprs.rogers.com>
>  
>   $ host 74.198.8.2 8.8.8.8
>   Using domain server:
>   Name: 8.8.8.8
> 
>   Host 2.8.198.74.in-addr.arpa. not found: 3(NXDOMAIN)
> 
> Maybe we can get them registered on SORBS. The irony would be very tasty.
> Maybe then they'll start caring. (Too much to hope for?)
> 
> Solution right now is to get all of my customers to tell their employees
> to not trust outgoing rogers mailservers to get their mail out, and find alte
> rnates.
> 
> I'm not the only one who filters by lack of reverse.
> 
> I'm also trying to figure out the Rogers angle here. Ideas?
> 
> /kc
> -- 
> Ken Chase - k...@heavycomputing.ca - +1 416 897 6284 - Toronto CANADA
> Heavy Computing - Clued bandwidth, colocation and managed linux VPS @151 Fron
> t St. W.

Perhaps you should re-think your filtering policies.  They are obviously
wrong because they are not allowing through the email you want to be let
through.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: ma...@isc.org

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