[Mailman-Users] Loop back to myself?

[Jian Gao]

Hello,

I move our email server (postfix) to another server. All emails works. 
But the mailman maillist always bounce back couse of "loops back to myself"

I checked maillog:
Jan 23 15:09:08 zeta MailScanner[10861]: Message 89AE280B9.A32A9 from 
127.0.0.1 (jian.gao at sjgeophysics.com) is whitelisted
Jan 23 15:09:08 zeta MailScanner[10861]: Requeue: 89AE280B9.A32A9 to 
CCC0C8063
Jan 23 15:09:08 zeta postfix/qmgr[30875]: CCC0C8063: 
from=<jian.gao at sjgeophysics.com>, size=2723, nrcpt=1 (queue active)
Jan 23 15:09:08 zeta MailScanner[10861]: Uninfected: Delivered 1 messages
Jan 23 15:09:08 zeta MailScanner[10861]: Deleted 1 messages from 
processing-database
Jan 23 15:09:08 zeta postfix/smtpd[12044]: warning: 24.207.43.100: 
address not listed for hostname h24-207-43-100.cable.static.dccnet.com
Jan 23 15:09:08 zeta postfix/smtpd[12044]: connect from 
unknown[24.207.43.100]
Jan 23 15:09:08 zeta postfix/smtp[12076]: warning: host 
mail.sjgeophysics.com[24.207.43.100]:25 greeted me with my own hostname 
zeta.sjgeophysics.com
Jan 23 15:09:08 zeta postfix/smtp[12076]: warning: host 
mail.sjgeophysics.com[24.207.43.100]:25 replied to HELO/EHLO with my own 
hostname zeta.sjgeophysics.com
Jan 23 15:09:08 zeta postfix/smtp[12076]: CCC0C8063: 
to=<sjv-dev at mail.sjgeophysics.com>, 
relay=mail.sjgeophysics.com[24.207.43.100]:25, delay=3.2, 
delays=2.8/0.01/0.39/0, dsn=5.4.6, status=bounced (mail for 
mail.sjgeophysics.com loops back to myself)
Jan 23 15:09:08 zeta postfix/smtpd[12044]: disconnect from 
unknown[24.207.43.100]
Jan 23 15:09:08 zeta postfix/cleanup[12052]: C1D7980B9: 
message-id=<20120123230908.C1D7980B9 at zeta.sjgeophysics.com>
Jan 23 15:09:08 zeta postfix/qmgr[30875]: C1D7980B9: from=<>, size=4549, 
nrcpt=1 (queue active)
Jan 23 15:09:08 zeta postfix/bounce[12077]: CCC0C8063: sender 
non-delivery notification: C1D7980B9
Jan 23 15:09:08 zeta postfix/qmgr[30875]: CCC0C8063: removed
Jan 23 15:09:08 zeta postfix/virtual[12078]: C1D7980B9: 
to=<jian.gao at sjgeophysics.com>, relay=virtual, delay=0.02, 
delays=0/0.01/0/0.01, dsn=2.0.0, status=sent (delivered to maildir)
Jan 23 15:09:08 zeta postfix/qmgr[30875]: C1D7980B9: removed

It seems to be some DNS or hostname issue. Could someone give me a help?

Thanks.


-- 
*Jian Gao*