Обсуждение: Re: dns problem with mailing list server

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Re: dns problem with mailing list server

От
Bruce Momjian
Дата:
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
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

Re: dns problem with mailing list server

От
"Marc G. Fournier"
Дата:
Fixed

On Tue, 20 Jul 2004, Bruce Momjian wrote:

>
> 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
>  pgman@candle.pha.pa.us               |  (610) 359-1001
>  +  If your life is a hard drive,     |  13 Roberts Road
>  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: if posting/reading through Usenet, please send an appropriate
>      subscribe-nomail command to majordomo@postgresql.org so that your
>      message can get through to the mailing list cleanly
>

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664