Re: [cobalt-developers] Sendmail weirdness excessive recursion

["Taco Scargo" <taco.scargo@xxxxxxx>]

Jeff,

I am surprised that YOU don't check faq's and knowledgebases... this issue
is clearly documented to point you to DNS ...
Probably you are using CNAMES or don't have MX entries for the domain.

Taco
----- Original Message -----
From: "Jeff Lasman" <jblists@xxxxxxxxxxxxx>
To: <cobalt-developers@xxxxxxxxxxxxxxx>
Sent: Friday, March 29, 2002 20:00
Subject: [cobalt-developers] Sendmail weirdness excessive recursion


> Can anyone help me figure this one out?  Our client is going nuts, and
> we are too.
>
> First... sendmail 8.9.3/8.9.3 running on a Cobalt RaQ3.  CanNOT upgrade
> (it's a RaQ thing <frown>).
>
> Second... DNS seems to be fine.  Just to be sure, since it's not on the
> RaQ where I can manipulate it, we're moving it to my own servers where I
> can.  Some of the root servers seem to point to us, some don't yet
> <frown>.  Feel free to look at DNS if you think it's a problem, I'm not
> proud <wry grin>.
>
> All real domain names used throughout. '-SPAM-' (with the dashes)
> inerted where appropriate to make sure autobots can't grab the email
> addresses; if you test, be sure to take out the first dash, the SPAM,
> and the second dash, or your test won't work.
>
> Since mail sent to bo-SPAM-b@xxxxxxxxxxxxxxxxxx were being bounced with
> an excessive recursion error as follows:
>
> (reason: 554 rewrite: excessive recursion (max 50), ruleset 3)
>
> ... we started by deleting the domain.
>
> Then we ran sendmail using the -bv option:
>
> Sendmail reported to us it would the esmtp mailer.  That's normal.
>
> Then we set up the domain on the server, using the standard RaQ setup
> tools.  We did NOT set up any users.
>
> Again we ran sendmail using the -bv option:
>
> $ /usr/sbin/sendmail -bv bo-SPAM-b@xxxxxxxxxxxxxxxxxx
>
> This time we got an excessive recursion error.  We should have gotten a
> "no such user" error.
>
> So we set up a test domain on the machine (it's nolonger there so don't
> bother trying):  testbob.nobaloney.net, put it into DNS (which we
> control for nobaloney.net).
>
> Again we ran sendmail using the -bv option:
>
> $ /usr/sbin/sendmail -bv testbo-SPAM-b@xxxxxxxxxxxxxxxxxxxxx
>
> We get the "no such user" error.
>
> We set up user bob for robertleejones.com and user testbob for
> testbob.nobaloney.net
>
> We ran sendmail twice more using the -bv option:
>
> $ /usr/sbin/sendmail -bv bo-SPAM-b@xxxxxxxxxxxxxxxxxx
>
> and
>
> $ /usr/sbin/sendmail -bv testbo-SPAM-b@xxxxxxxxxxxxxxxxxxxxx
>
> The former still gave us the recursion error.  The latter showed the
> mail as locally deliverable.
>
> I did some more tests, including deleting and reinstalling the site.
> Even isntalled it as the system's main site.  Same result <frown>
>
> So I started thinking...
>
> I think therefore I am <smile>
>
> I've reached the conclusion that sendmail must be looking somewhere I
> can't figure out, as /etc/aliases and /etc/virtusertable both appear
> fine.  I can't figure out where.  I've looked in all the files I can
> think of.
>
> Anyone have any ideas?
>
> Jeff
> --
> Jeff Lasman <jblists@xxxxxxxxxxxxx>
> Linux and Cobalt/Sun/RaQ Consulting
> nobaloney.net
> P. O. Box 52672, Riverside, CA  92517
> voice: (909) 778-9980  *  fax: (702) 548-9484
>
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