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Old 02-24-2004, 09:11 AM   #1
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Registered: Feb 2004
Posts: 1

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SENDMAIL config error: mail loops back to me (MX problem?)

I've done a search in the archives and found material on this sunbject but nothing particualr to my configuration/problem.

I have a default version of sendmail installed with slackware 9.0, I can send mail to users locally and to completely different domains other than my domain. My host name is vci and domain name ( There will be no users getting mail on this machine, I just need to send mail (for use with webapps, mailing lists and such).

So this machine is but all mail for will be handled by our ISP. I seems as if when sending mail to sendmail aoppends to the end of the recipient. Can anyone give me some tips??

returned mail:
----- The following addresses had permanent fatal errors -----
(reason: 553 5.3.5 system config error)

----- Transcript of session follows -----
553 5.3.5 config error: mail loops back to me (MX problem?)
554 5.3.5 Local configuration error
jhannus@vci->[jhannus]$ echo '$=m' | sendmail -bt -d0.4
Version 8.12.8
Canonical name:
a.k.a.: vci
UUCP nodename: vci
a.k.a.: vci
a.k.a.: []
a.k.a.: []

============ SYSTEM IDENTITY (after readcf) ============
(short domain name) $w = vci
(canonical domain name) $j =
(subdomain name) $m =
(node name) $k = vci

ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
Enter <ruleset> <address>
snippet from log:
Feb 24 09:41:06 vci sendmail[6591]: i1OEf671006591: from=jhannus, size=276, class=0, nrcpts=1, msgid=<403B6282.mail53211A4CU@vci.visualconcep>, relay=jhannus@localhost
Feb 24 09:41:06 vci sm-mta[6592]: i1OEf6Rm006592: from=<>, size=528, class=0, nrcpts=1, msgid=<403B6282.mail>, proto=ESMTP, daemon=MTA, relay=IDENT:1000@localhost []
Feb 24 09:41:06 vci sendmail[6591]: i1OEf671006591:, ctladdr=jhannus (1000/100), delay=00:00:00, xdelay=00:0
0:00, mailer=relay, pri=30274, relay=[] [], dsn=2.0.0, stat=Sent (i1OEf6Rm006592 Message accepted for delivery)
Feb 24 09:41:06 vci sm-mta[6595]: i1OEf6Rm006592: SYSERR(root): config error: mail loops back to
me (MX problem?)
Feb 24 09:41:06 vci sm-mta[6596]: i1OEf6Rm006596: [] did not issue MAIL/EXPN/VRFY/ETRN during con
nection to MTA
Feb 24 09:41:06 vci sm-mta[6595]: i1OEf6Rm006592: to=<>, ctladdr=<jhannus@vci.visualconcep> (1000/100), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=30526, [],
dsn=5.3.5, stat=Local configuration error
Feb 24 09:41:06 vci sm-mta[6595]: i1OEf6Rm006592: i1OEf6Rm006595: DSN: Local configuration error
Feb 24 09:41:06 vci sm-mta[6595]: i1OEf6Rm006595: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=61552, dsn=2.0.0, stat=Sent
Feb 24 09:41:06 vci sm-mta[6595]: i1OEf6Rm006595: to=<>, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=
61552, dsn=2.0.0, stat=Sent
Old 02-25-2004, 12:50 AM   #2
Registered: Apr 2003
Distribution: Slackware
Posts: 60

Rep: Reputation: 15
I was having this problem too and never found out a good solution. I do have my Sendmail working perfectly right now though. I wrote a walkthrough of how I configured it, so you can look at that and see if there's any different in my setup and your's.

Here's the link to my walkthrough:
Old 04-05-2004, 09:51 AM   #3
Registered: Apr 2003
Distribution: Slackware
Posts: 60

Rep: Reputation: 15
I have updated my website. The new link for my Sendmail on Slack 9.1 Walkthrough is posted below:
Old 08-03-2010, 05:58 AM   #4
LQ Newbie
Registered: Jan 2010
Posts: 20

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may be this will help you.
Old 08-03-2010, 06:34 AM   #5
Senior Member
Registered: Aug 2003
Location: UK
Distribution: Slackware
Posts: 3,230

Rep: Reputation: 299Reputation: 299Reputation: 299
Why the hell are you digging up and responding to a 6 year old thread?
Old 01-16-2011, 02:18 PM   #6
LQ Newbie
Registered: Jan 2011
Posts: 1

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Dive, have you ever considered that others in the future may read this thread searching for answers to similar problems? Your negativity is both unhelpful and unproductive.
0 members found this post helpful.
Old 06-21-2011, 05:44 AM   #7
LQ Newbie
Registered: Mar 2010
Posts: 2

Rep: Reputation: 0
I agree with proft. I've just googled this error, and this was top of the list.


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