Seeing authentication failures regularly in maillog
Alexander Dalloz
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Thu Nov 17 22:57:55 UTC 2005
Am Do, den 17.11.2005 schrieb Philip Prindeville um 23:42:
> I'm seeing transactions like the following being logged in maillog:
>
> Nov 17 06:26:46 mail sendmail[23544]: NOQUEUE: connect from
> localhost.localdomain [127.0.0.1]
> Nov 17 06:26:46 mail sendmail[23544]: AUTH: available mech=DIGEST-MD5
> ANONYMOUS CRAM-MD5, allowed mech=EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5
> LOGIN PLAIN
> Nov 17 06:26:46 mail sendmail[23544]: jAHBQkxI023544: Milter: no active
> filter
> Nov 17 06:26:46 mail sendmail[23544]: STARTTLS=server,
> relay=localhost.localdomain [127.0.0.1], version=TLSv1/SSLv3, verify=NO,
> cipher=DHE-RSA-AES256-SHA, bits=256/256
> Nov 17 06:26:46 mail sendmail[23544]: STARTTLS=server, cert-subject=,
> cert-issuer=, verifymsg=ok
> Nov 17 06:26:46 mail sendmail[23544]: AUTH: available mech=LOGIN
> DIGEST-MD5 PLAIN ANONYMOUS CRAM-MD5, allowed mech=EXTERNAL GSSAPI
> DIGEST-MD5 CRAM-MD5 LOGIN PLAIN
> Nov 17 06:26:46 mail sendmail[23544]: ruleset=trust_auth,
> arg1=root at mail.redfish-solutions.com, relay=localhost.localdomain
> [127.0.0.1], reject=550 5.7.1 <root at mail.redfish-solutions.com>... not
> authenticated
> Nov 17 06:26:46 mail sendmail[23544]: jAHBQkxJ023544:
> from=<root at mail.redfish-solutions.com>, size=2549, class=0, nrcpts=1,
> msgid=<200511171102.jAHB2IWk023430 at mail.redfish-solutions.com>,
> proto=ESMTP, daemon=MTA-v4, relay=localhost.localdomain [127.0.0.1]
> Nov 17 06:26:46 mail sendmail[23545]: jAHBQkxJ023544: alias
> <root at mail.redfish-solutions.com> => philipp
> Nov 17 06:26:46 mail sendmail[23430]: jAHB2IWk023430: to=root,
> ctladdr=root (0/0), delay=00:24:28, xdelay=00:00:00, mailer=relay,
> pri=32250, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent
> (jAHBQkxJ023544 Message accepted for delivery)
> Nov 17 06:26:46 mail sendmail[23545]: jAHBQkxJ023544: to=philipp,
> delay=00:00:00, xdelay=00:00:00, mailer=cyrusv2, pri=32847,
> relay=localhost, dsn=2.0.0, stat=Sent
> Nov 17 06:26:46 mail sendmail[23545]: jAHBQkxJ023544: done;
> delay=00:00:00, ntries=1
>
>
> Any idea why that is? Does it represent a failure? Or is the message being
> redelivered without authentication?
>
> And why is authentication required on the loopback address?
>
> -Philip
Make sure your /etc/mail/access contains at least
# by default we allow relaying from localhost...
localhost.localdomain RELAY
localhost RELAY
127.0.0.1 RELAY
Alexander
--
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
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Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.35_FC2smp
Serendipity 23:56:09 up 19 days, 21:56, load average: 0.21, 0.21, 0.09
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