Rogers wireless outbound mailservers have no reverse (SORBS please help?)
marka at isc.org
Thu Jan 28 16:14:37 CST 2010
In message <20100128164654.GZ16327 at sizone.org>, Ken Chase writes:
> Can I get a rogers engineer who not only cares but has power to crush problem
> 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
> It's an old problem that was temporarily fixed for a while, but is now back.
> Jan 28 06:46:00 cust1 postfix/smtpd: NOQUEUE: reject: RCPT
> from unknown[18.104.22.168]: 450 4.7.1 Client host rejected: cannot
> find your reverse hostname, [22.214.171.124];
> from=<sandy at customer.com> to=<tracy at customer.com>
> proto=ESMTP helo=<to5email1.gprs.rogers.com>
> $ host 126.96.36.199 188.8.131.52
> Using domain server:
> Name: 184.108.40.206
> Host 220.127.116.11.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
> I'm not the only one who filters by lack of reverse.
> I'm also trying to figure out the Rogers angle here. Ideas?
> Ken Chase - ken at 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
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
More information about the NANOG