From: Chris Knadle <Chris.Knadle@coredump.us>
To: mlmmj@mlmmj.org
Subject: Re: [mlmmj] initial setup/exim sender verification
Date: Mon, 10 Mar 2014 03:25:23 +0000 [thread overview]
Message-ID: <49824642.loLjIdCvgx@trelane> (raw)
In-Reply-To: <87vbvn8hf0.fsf@zancas.localnet>
On Sunday, March 09, 2014 23:50:46 David Bremner wrote:
> Chris Knadle <Chris.Knadle@coredump.us> writes:
> > And I'm assuming you have an "mlmmj-test" alias in /etc/aliases that looks
> > like this?
> >
> > mlmmj-test: "|/usr/bin/mlmmj-recieve -L /var/spool/mlmmj/mlmmj-test/"
>
> It seems that the problem was that the listaddress was set to
> point mlmmj-test@yantan.tethera.net and not
> mlmmj-test@lists.tethera.net. Once I fixed that, the correct router is
> invoked, without needing an alias in /etc/aliases (as far as I
> understand, that's the point of defining the router).
Oh. Yeah, you've probably set relay_domains = +mlmmj_domains. This means
that Exim is accepting any mail to lists.tethera.net, /without/ checking the
local_part of destination addresses. That's not exactly a good thing; it can
cause backscatter. All one needs to do is send an email with the sending
email address faked to nonexistent@lists.tethera.net, then the mail will be
accepted based on the domain alone but then bounced back to the false sender.
Instead I've set +mlmmj_domains to the list of local_domains so that the
local_part of the address is always checked. So when I tested and when I
remove the mailing list alias from /etc/aliases, the result is an
"Unroutable address" error, as I think it should.
> I'm not sure how mlmmj-make-ml would know what the list domain is; this
> seems to require postprocessing currently.
AFAIK for MLMMJ the full address of the mailing list is specified in
/var/spool/mlmmj/<list>/control/listaddress. In your case you'll probably
find that /var/spool/mlmmj/mlmmj-test/control/listaddress contains
"mlmmj-test@lists.tethera.net".
-- Chris
--
Chris Knadle
Chris.Knadle@coredump.us
next prev parent reply other threads:[~2014-03-10 3:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-09 16:29 [mlmmj] initial setup/exim sender verification David Bremner
2014-03-09 19:21 ` Chris Knadle
2014-03-09 19:51 ` Chris Knadle
2014-03-10 2:50 ` David Bremner
2014-03-10 3:25 ` Chris Knadle [this message]
2014-03-10 3:50 ` Chris Knadle
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