public inbox for [email protected]  
help / color / mirror / Atom feed
From: Bruce Momjian <[email protected]>
To: Dana Hudes <[email protected]>
Cc: PostgreSQL www <[email protected]>
Subject: Re: dns problem with mailing list server
Date: Tue, 20 Jul 2004 10:51:13 -0400 (EDT)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>


CC to www list.

---------------------------------------------------------------------------

Dana Hudes wrote:
> Hi, 
> 
> The mail relay used for the dbdpg-general mailing list, 200.46.204.17,
> does not have consistent reverse DNS entry (it does have a reverse entry).
> 
> Specifically, while gborg.postgresql.org has address 200.46.204.176 the
> reverse entry 176.204.46.200.in-addr.arpa domain name pointer
> svr3.postgresql.org.
> 
> But svr3.postgresql.org. does not have a forward entry.
> 
> This then falls afoul of the anti-spam measures recommended in RFC2055 and
> the procedures recommended at e.g. www.postfix.org (I use the postfix mail
> relay).
> 
> If someone adds a forward entry for svr3.postgresql.org resolving to
> 200.46.204.176 all will be well.
> 
> Until then my, and many other, mail relays will think mailing list traffic
> is from a fraudulent host and reject the mail (albeit with a 450 status,
> indicatitive of a temporary failure;  potentially when the situation is
> corrected the most recent mail will then be delivered).
> 
> Thanks
> 

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [email protected]               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073



view thread (2+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: dns problem with mailing list server
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox