[BlueOnyx:10998] Re: Server error: '554 5.0.0 rewrite: excessive recursion (max 50), ruleset canonify'

Sun Jul 22 12:02:29 -05 2012

Hi Charles,

Thanks for taking the time to respond. Here's the results of the tests:

I have added mail.mtbe.co.uk to the Email Server Aliases via GUI.

"service sendmail restart" reported no problems.

/user/sbin/sendmail -bv postmaster at mtbe.co.uk returns:

  rewrite: excessive recursion (max 50), ruleset canonify

  rewrite: excessive recursion (max 50), ruleset parse

  postmaster at mtbe.co.uk... User unknown

This happens no matter what postmaster is changed to - even a valid account
name (as opposed to an alias) fails.

more /etc/mail/local-host-names | grep mtbe.co.uk returns the expected hosts
- mail, www and mtbe.co.uk as well as a test we added today.

more /etc/mail/virtusertable | grep mtbe.co.uk returns:

  apache at www.mtbe.co.uk        apache

  sys at www.mtbe.co.uk   sys

  MAILER-DAEMON at www.mtbe.co.uk MAILER-DAEMON

  root at www.mtbe.co.uk  root

  nobody at www.mtbe.co.uk        nobody

  @mtbe.co.uk  %1 at www.mtbe.co.uk

  @www.mtbe.co.uk      mtbe.dale

  mtbe.admin at www.mtbe.co.uk    mtbe.admin

  webmaster at www.mtbe.co.uk     mtbe.admin

  mtbe.dale at www.mtbe.co.uk     mtbe.dale

  apache at temp.mtbe.co.uk       apache

  sys at temp.mtbe.co.uk  sys

  MAILER-DAEMON at temp.mtbe.co.uk       MAILER-DAEMON

  root at temp.mtbe.co.uk root

  nobody at temp.mtbe.co.uk       nobody

  @temp.mtbe.co.uk     error:nouser No such user here

  mtbe.temp at temp.mtbe.co.uk    mtbe.temp

  @mail.mtbe.co.uk     %1 at www.mtbe.co.uk

While we do have a temp.mtbe.co.uk, it was only added this morning. Nothing
relating to the site appears in /etc/mail/access

Still getting the same problems. L

How do I flush the DNS cache on BX? I've restarted named but can't see nscd
anywhere.

Dick

From: blueonyx-bounces at mail.blueonyx.it
[mailto:blueonyx-bounces at mail.blueonyx.it] On Behalf Of Charles Bowman
Sent: 22 July 2012 17:29
To: BlueOnyx General Mailing List
Subject: [BlueOnyx:10995] Re: Server error: '554 5.0.0 rewrite: excessive
recursion (max 50), ruleset canonify'

DNS now looks good.

A couple of quick tests:

Check you have "mtbe.co.uk" in the GUI "Mailer Server Aliases" and *also*
"mail.mtbe.co.uk".

Save

[shell]

service sendmail restart 

/usr/sbin/sendmail -bv postmaster at mtbe.co.uk

No luck, then check:

[shell]

more /etc/mail/local-host-names | grep mtbe.co.uk

-This should have 3 entries like: mtbe.co.uk, mail.mtbe.co.uk,www.mtbe.co.uk

[shell]

more /etc/mail/virtusertable | grep mtbe.co.uk

-Should give these entries plus a list of your

            apache at www.mtbe.co.uk   apache

            sys at www.mtbe.co.uk      sys

            MAILER-DAEMON at www.mtbe.co.uk    MAILER-DAEMON

            root at www.mtbe.co.uk     root

            nobody at www.mtbe.co.uk   nobody

            majordomo at www.mtbe.co.uk        site4-majordomo

            majordomo-owner at www.mtbe.co.uk  site4-majordomo-owner

            owner-majordomo at www.mtbe.co.uk  site4-owner-majordomo

            @mtbe.co.uk     %1 at www.mtbe.co.uk

            @www.mtbe.co.uk error:nouser No such user here

            @mail.mtbe.co.uk        %1 at www.mtbe.co.uk

A couple of use recently had an issue with building a domain name with
"test.domain.tld"

then changing the hostname from "test" to "www".

This appeared to have worked but after tests we found the hostname value are
appended into 

the "/etc/mail/access" file, so it find the old record (i.e. "test.") and
stops processing!

There should be no records in here for your domain:

[shell]

more /etc/mail/access | grep mtbe.co.uk

Good Luck

On 22 July 2012 16:32, Christoph Schneeberger <cschnee at box.telemedia.ch>
wrote:

On 07/22/2012 03:46 PM, Gerald Waugh wrote:

On 07/22/2012 05:01 AM, DD wrote: 

Still having problems. 

PTR for 83.170.92.204 points to mtbe.co.uk and the domain no longer uses
CNAMEs. I still see the same error when I try to email someone at mtbe.co.uk 

Double-checking, I have mtbe.co.uk as web and email alias, both mtbe and
www.mtbe appear in /etc/mail/local-host-names 

You still have 'CNAME' from here
Do not use 'cname' for any of your DNS....
==================================
[root at sv1 web]# dig MX www.mtbe.co.uk

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> MX www.mtbe.co.uk
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12868
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.mtbe.co.uk.                        IN      MX

;; ANSWER SECTION:
www.mtbe.co.uk.         3600    IN      CNAME   mtbe.co.uk.
mtbe.co.uk.             3600    IN      MX      0 mail.mtbe.co.uk.
==================================

Also I see the priority is '0' is that valid?
Maybe change and see if it helps.

0 is a perfectly valid MX pref. (16bit unsigned int per RFCs) - one might
argue if its smart to use it but it's valid. But I fully I second your
statement regarding CNAMEs, the record for www is quite sure the culprit
here.

Cheers,
Christoph

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