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Bug #68803 Bugtracker DNS-PTR 219.69-195-222.static.servergrove.com
Submitted: 2015-01-12 02:05 UTC Modified: 2015-01-13 16:44 UTC
From: spam2 at rhsoft dot net Assigned: mj (profile)
Status: Closed Package: Systems problem
PHP Version: Irrelevant OS: Irrelevant
Private report: No CVE-ID: None
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 [2015-01-12 02:05 UTC] spam2 at rhsoft dot net 
Description:
------------
please do yourself a favor and ask your host for a PTR matching the A-Record or implement SPF for php.net whcih would have skipped the PTR-Test as well as be on any DNSWL

Jan 11 18:40:57 mail-gw postfix/smtpd[5568]: NOQUEUE: reject: RCPT from 219.69-195-222.static.servergrove.com[69.195.222.219]: 554 5.7.1 <219.69-195-222.static.servergrove.com>: Unverified Client host rejected: Generic DNS-Reverse-Lookup (PTR-Rule: 159) see http://www.emailtalk.org/ptr.aspx; from=<noreply@php.net> to=<spam2@rhsoft.net> proto=ESMTP helo=<sgrv20.php.net>

[root@mail-gw:~]$ nslookup sgrv20.php.net
Server:         127.0.0.1
Address:        127.0.0.1#53
Name:   sgrv20.php.net
Address: 69.195.222.219

[root@mail-gw:~]$ nslookup 69.195.222.219
Server:         127.0.0.1
Address:        127.0.0.1#53
Non-authoritative answer:
219.222.195.69.in-addr.arpa     name = 219.69-195-222.static.servergrove.com.

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 [2015-01-12 02:15 UTC] spam2 at rhsoft dot net 
well, you have even a (questionable because neutral and prone for spoofing) neutral SPF record with the http://www.openspf.org/SPF_Record_Syntax#ptr mechanism - one reason more to take care of reverse dns

php.net.                300     IN      TXT     "v=spf1 ptr ?all"
 [2015-01-13 12:12 UTC] mj@php.net
-Status: Open +Status: Assigned -Assigned To: +Assigned To: mj
 [2015-01-13 12:12 UTC] mj@php.net 
I've asked the hosting company to set up PTR records.
 [2015-01-13 16:44 UTC] mj@php.net
-Status: Assigned +Status: Closed
 [2015-01-13 16:44 UTC] mj@php.net 
Proper PTR records have been configured for your machines hosted at ServerGrove.
 
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