The pointer isn't going to match the HELO, or the MX for that matter,
unless you just get lucky. If you have multiple reverse pointers
(domain.com, domain1.com, domain2.com) configured for the same IP, it
is a DNS crap shoot which one will get returned or may be cached.
Tuesday, January 31, 2006, 7:20:03 PM, Matrosity Hosting
<[EMAIL PROTECTED]> wrote:
MH>
MH> You would still have a PTR though so you shouldn't be classified
MH> as improperly configured if you have one. I think the Comcast
MH> issue is really about the HELO response from an Imail server not the
PTR.
MH>
MH> Imail Admin wrote:
MH>
MH> Is this really an "improperly configured mail server"?
MH> When configured with multiple domain names on a single IP, IMail
MH> reports each domain name in the SMTP handoff (e.g.,
MH> "mail.mydomain.com"). This actually makes sense to me, but I'm not
MH> an expert, so is it really a violation of the RFCs? Or is it Comcast
just being heavy-handed?
MH>
MH> Even if this is an RFC violation, Comcast is still ignoring
MH> that the majority of mail servers out there are not running
MH> current versions of software, with no plans to upgrade. How many
MH> times have people posted here mentioning that they still run 6.x,
MH> much less 7.x? So Comcast is going to force these people to
MH> upgrade because the staff at Comcast are too simple-minded to use
MH> a weighting system? Frankly, I think that would be grounds for a
class-action suit.
MH>
MH> Ben
MH>
MH> ----- Original Message -----
MH>
MH> From: Matrosity Hosting
MH>
MH> To: [email protected]
MH>
MH> Sent: Tuesday, January 31, 2006 12:46 PM
MH>
MH> Subject: Re: [IMail Forum] Comcast "Liar Rule" SMTP HELO
MH>
MH>
MH> I think you will see less people caring about false positives
MH> in terms of improperly configured mail servers. I hate AOL but I
MH> love the fact they won't accept email from people without PTR's. I
MH> wish more ISP's would take on this policy.
MH>
MH>
MH>
MH> IMail Admin wrote:
MH> So now everyone starts discussing the Comcast problem? Check the
MH> archives for the last two weeks for Comcast, particularly the
MH> messages from Dave Doherty, who has had success in dealing with
MH> Comcast. My own experiences have been mixed: Comcast fixed the
MH> problem then blacklisted us again, then fixed it again. I'm
MH> waiting to see what happens this week.
MH>
MH> With all due respect, I put this problem at the feet of Comcast,
MH> not Ipswitch. Comcast made a really generic decision for
MH> blacklisting IPs, and that's just bad mail administration. Think
MH> about it: most Imail admins who fight spam (such as by using
MH> Declude) use a weighting system with multiple tests. The purpose
MH> is to catch as much mail as possible while avoiding false
MH> positives. Comcast clearly doesn't care about false positives.
MH>
MH> While having the issue fixed in the next version of 2006 is
MH> nice, it won't help all the others still running 8.x and 7.x. In
MH> fact, there is no way for Ipswitch to fix the problem for even a
MH> majority of Imail installations, much less all of them. The
MH> people we should be screaming at are over at Comcast.
MH>
MH> I find this whole situation doubly ironic because of the large
MH> number of zombies spewing spam and viruses and that already Comcast
subscribers.
MH>
MH> Ben Bednarz
MH> BC Web
MH>
MH> ----- Original Message ----- From: "Heimir Eidskrem" <[EMAIL PROTECTED]>
MH> To: <[email protected]>
MH> Sent: Tuesday, January 31, 2006 11:43 AM
MH> Subject: Re: [IMail Forum] Comcast "Liar Rule" SMTP HELO
MH>
MH>
MH>
MH> And that makes Imail worthless to many if they cant send email to
MH> one of the largest broadband providers in the country.
MH> I consider this a critical error that must be fixed asap.
MH>
MH> H.
MH>
MH>
MH> Website World wrote:
MH>
MH> No they blacklist the entire mail server's IP address and then
MH> nobody can send email to a Comcast address. The tech said they had
MH> numerous people with Imail servers that had the same problem, but
MH> Imail will not let you do anything to counter the problem.
MH>
MH> I think the mail people affected are those people that are web
MH> hosts, etc that have virtual domains.
MH>
MH>
MH> Mike
MH> ----- Original Message ----- From: "mail-lists"
MH> <[EMAIL PROTECTED]>
MH> To: <[email protected]>
MH> Sent: Tuesday, January 31, 2006 11:33 AM
MH> Subject: RE: [IMail Forum] Comcast "Liar Rule" SMTP HELO
MH>
MH>
MH> I guess they're doing this on a domain by domain basis? Because I've
seen
MH> successful e-mails delivered to comcast.net as late as this morning.
MH>
MH>
MH> Cavell McDermott
MH> Network Administrator
MH> Cottonwood Financial
MH> 972.753.0822 Office
MH> 214.403.4918 Cell
MH> http://www.thecashstore.com
MH> -----Original Message-----
MH> From: [EMAIL PROTECTED]
MH> [mailto:[EMAIL PROTECTED] On Behalf Of Matrosity
Hosting
MH> Sent: Tuesday, January 31, 2006 10:30 AM
MH> To: [email protected]
MH> Subject: Re: [IMail Forum] Comcast "Liar Rule" SMTP HELO
MH>
MH>
MH> Yes, this is obviously a BIG problem since we're talking about on of
the
MH> largest broadband providers in the US.
MH>
MH> Travis Rabe wrote:
MH> Is Ipswitch going to address this anytime soon? Kevin?
MH>
MH>
MH> -----------------------------------------
MH> Travis Rabe
MH>
MH>
MH> -----Original Message-----
MH> From: [EMAIL PROTECTED]
MH> [mailto:[EMAIL PROTECTED] On Behalf Of Duane Hill
MH> Sent: Tuesday, January 31, 2006 8:21 AM
MH> To: Website World
MH> Subject: Re: [IMail Forum] Comcast "Liar Rule" SMTP HELO
MH>
MH>
MH> On Tuesday, January 31, 2006 at 4:00:36 PM, [EMAIL PROTECTED]
MH> confabulated:
MH>
MH>
MH> I just got off the phone with the abuse department at Comcast. I was
told
MH> that we were being blacklisted because of our HELO did not match or
MH> something. He said that it was not configurable in Imail even in the
MH>
MH> latest
MH>
MH> version, and it was going to be used more aggressively with other
ISP's.
MH>
MH> Any
MH>
MH> suggestions?
MH>
MH>
MH> Ahhh... I'm not alone.
MH>
MH> --
MH>
MH> "This message is made of 100% recycled electrons."
MH>
MH> To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html
MH> List Archive:
MH> http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
MH> Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
MH>
MH>
MH>
MH>
MH>
MH> Confidentiality Notice: The information contained in this
MH> transmission is intended only for the personal and confidential use of
the
MH> designated recipient named above. If the receiver of this
MH> transmission is not the intended recipient or an agent responsible for
MH> delivering it to the intended recipient, you are hereby notified
MH> that you have received this document in error, and that any review,
MH> dissemination, distribution, or copying of this message is
MH> strictly prohibited. If you are not the intended recipient, please
MH> immediately notify the sender and delete this e-mail message from
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MH>
MH>
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MH>
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MH>
MH>
MH>
MH>
MH>
----
Don Brown - Dallas, Texas USA Internet Concepts, Inc.
[EMAIL PROTECTED] http://www.inetconcepts.net
(972) 788-2364 Fax: (972) 788-5049
----
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