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Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender

From: Jeff Taylor <shdwdrgn AT sourpuss.net>
To: discuss AT lists.opennicproject.org
Subject: Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender
Date: Wed, 22 Jun 2011 09:14:06 -0600
List-archive: <http://lists.darkdna.net/pipermail/discuss>
List-id: <discuss.lists.opennicproject.org>

I'd have to agree with this. In testing my own mail server, I did try using rdns filtering for a short time, but it was immediately apparent that this was rejecting way too many legitimate emails.

On 06/22/2011 05:34 AM, Brian Koontz wrote:

On Wed, Jun 22, 2011 at 07:18:39AM +0000, Uwe (ML) Kiewel wrote:

In most cases mailserver will reject connections from clients with no rdns
and/or incomplete forward/reverse name resolution except these clients are
using any method of smtp-auth

Only anal-retentive mail servers :)

(Yes, I know there's an RFC that covers this.)
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[opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Uwe Kiewel, 06/20/2011
- Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Hanselka, Alex, 06/22/2011
  - Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Uwe (ML) Kiewel, 06/22/2011
    - Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Hanselka, Alex, 06/22/2011
    - Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Brian Koontz, 06/22/2011
      - Re: [opennic-discuss] connect from unknown / missing ipv6 rdns for mailing list sender, Jeff Taylor, 06/22/2011
  - [opennic-discuss] 1) browser for opennic sites welcome? 2) amount of opennic sites (appr.? for search engine), JP Blankert (Tablet, seamonkey), 06/22/2011
    - Re: [opennic-discuss] 1) browser for opennic sites welcome? 2) amount of opennic sites (appr.? for search engine), Hanselka, Alex, 06/22/2011
    - Re: [opennic-discuss] 1) browser for opennic sites welcome? 2) amount of opennic sites (appr.? for search engine), Jeff Taylor, 06/22/2011
    - Re: [opennic-discuss] 1) browser for opennic sites welcome? 2) amount of opennic sites (appr.? for search engine), Julian DeMarchi, 06/22/2011