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ATT user can't receive email from one specific outside domain

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ATT user can't receive email from one specific outside domain

My wife has one friend who is unable to email her at sbcglobal.net. I asked this sender to forward me the bounce back message, see below. Can ATT do anything or is this a problem for the other domain admins?

 

flph831.prodigy.net rejected your message to the following email addresses:

Mary (xxxxxxx@sbcglobal.net)

flph831.prodigy.net gave this error:
Connections not accepted from servers without a valid sender domain.flph831 Fix reverse DNS for 71.97.106.60

Your message wasn't delivered due to a permission or security issue. It may have been rejected by a moderator, the address may only accept email from certain senders, or another restriction may be preventing delivery.
Diagnostic information for administrators:

Generating server: GARExchMX01.Garrecords.com
Total retry attempts: 8

xxxxxxx@sbcglobal.net
flph831.prodigy.net
Remote Server returned '550 5.7.1 Connections not accepted from servers without a valid sender domain.flph831 Fix reverse DNS for 71.97.106.60'

Original message headers:

Received: from GARExchMX01.Garrecords.com (10.1.20.54) by
 GARExchMX01.Garrecords.com (10.1.20.54) with Microsoft SMTP Server (TLS) id
 15.0.847.32; Thu, 24 Aug 2017 21:15:49 -0500
Received: from GARExchMX01.Garrecords.com ([fe80::a5f1:9f39:a943:de82]) by
 GARExchMX01.Garrecords.com ([fe80::a5f1:9f39:a943:de82%12]) with mapi id
 15.00.0847.030; Thu, 24 Aug 2017 21:15:37 -0500
From: Pat <zzzzzzz@Garrecords.com>
To: Mary <xxxxxxx@sbcglobal.net>
Subject: RE: Bounce back
Thread-Topic: Bounce back
Thread-Index: AQHTHRskPBHqoBGRsEi73Et8xbb9D6KUVdOq
Date: Fri, 25 Aug 2017 02:15:37 +0000
Message-ID: <82ad865d5fe8441bb218a10c6238a630@GARExchMX01.Garrecords.com>
References: <DB2F71D3-C7EC-43BF-9E90-157CEAA6E166@sbcglobal.net>
In-Reply-To: <DB2F71D3-C7EC-43BF-9E90-157CEAA6E166@sbcglobal.net>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [47.186.18.193]
Content-Type: multipart/alternative;
        boundary="_000_82ad865d5fe8441bb218a10c6238a630GARExchMX01Garrecordsco_"
MIME-Version: 1.0
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Message 1 of 6
Former Employee
Solution
Accepted by topic author
Accepted by bajaoklahoma
‎08-28-2017 11:27 AM

Re: ATT user can't receive email from one specific outside domain

Hello,

This is caused by either no reverse DNS record (PTR) or an error in the DNS record.

Most mail servers will not accept messages from IPs that do not have an valid PTR as this was a common tool for spammers to sent spam then disappear.

This is a generic check that pretty much any mail provider does to first validate that the sender is authorized.

 

The sender domain support will have to make sure all their DNS records and mail server settings meet minimum security requirements to send mail.

 

Thanks,

-john

If you are making a request to have an IP removed from the AT&T RBL, we do require the specific IP from the NDR that is being received. If you do not feel comfortable posting it publicly, feel free to direct message it to me.
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Message 2 of 6

Re: ATT user can't receive email from one specific outside domain

How do I set the PTR record for a host with static IP? At the moment it just gives the hostname; the doman name is preset as attlocal.net. I'd like to change this to my actual domain name. From what I see on the web this has to be done by AT&T as it is my ISP.

Message 3 of 6
ACE - Expert

Re: ATT user can't receive email from one specific outside domain

AT&T does not have provisions for providing PTR records on Residential accounts.  Is this a Business or Residential Internet account?  Another thing you can do is route the e-mail through the AT&T Mail Relay server, though you may have to take special steps to get AT&T to allow your non-"Att.net" domain e-mail address as well.

 

 

 

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Message 4 of 6
Contributor

Re: ATT user can't receive email from one specific outside domain

I can't receive any emails. I can send emails. Was hacked recently. Just changed 

Message 5 of 6
Contributor

Re: ATT user can't receive email from one specific outside domain

I am having a client's email rejected with a "flph825.prodigy.net gave this error" and "Fix reverse DNS for xx.xxx.xx.xxx (IP), and the rDNS tests all come back that it's correctly configured.  I'm finding a lot of posts that say others are having this issue, how do I fix it?  This one was recent - 8/28/18 "We have one vendor that we are getting these kickbacks from as well.  Our reverse DNS record checks out and is not causing issues elsewhere.  It would be nice if ATT would update the Prodigy server that is generating the errors."  Others say "resend it" and "it worked on the 3rd try".  What gives?

 

 

Message 6 of 6
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