Re: Unable to receive messages from NetBSD emailing lists

["Herbert J. Skuhra" <herbert%gojira.at@localhost>]

On Fri, 23 Aug 2019 23:01:19 +0200, "Thomas Mueller" wrote:
> 
> I have not been receiving messages from NetBSD (@netbsd.org)
> emailing lists, and would like to know if there is a problem with
> the list servers at netbsd.org end.  I have not been receiving
> messages from netbsd-users%netbsd.org@localhost, nor from current-users,
> pkgsrc-users, tech-pkg, tech-kern and others.
> 
> I was able to see some messages on mailing lists web interface, so I know there is activity.
> 
> I sent a test message, away from netbsd.org, to mueller6725%twc.com@localhost,
> from a different domain, and that went through.
> 
> So is something wrong with the list server at netbsd.org's end, or
> could it be something screwy at twc.org's end, like maybe a
> blacklist?

The MX of twc.com is probably rejecting mail servers that have no valid PTR record.

Received: from mail.netbsd.org (unknown [199.233.217.200])

Received: from mail.netbsd.org (unknown [IPv6:2001:470:a085:999::25])

I had to whitelist both ip addresses. The problem was fixed last night.

--
Herbert