[Mailman-Users] How to debug about "Can't deliver mail"

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dear all :

My mailman can't work ..

I can see the maillist archive, when i send mail to maillist
But ,It can deliver mail to member


this is my POST and SMTP log, somebody help me ...

Billy D. Chang

POST
May 29 16:22:02 2002 (4484) post to rd from
mailman-owner at localhost.localdomain, size=1331, 1 failures
May 29 16:22:03 2002 (4483) post to test from
mailman-owner at localhost.localdomain, size=1330, 1 failures
May 29 16:22:03 2002 (4483) post to test from
mailman-owner at localhost.localdomain, size=1330, 1 failures
May 29 16:22:03 2002 (4483) post to test from
mailman-owner at localhost.localdomain, size=1332, 1 failures
May 29 16:22:03 2002 (4483) post to huperdvr from
mailman-owner at localhost.localdomain, size=1355, 1 failures
May 29 16:22:03 2002 (4483) post to rd from
mailman-owner at localhost.localdomain, size=1331, 1 failures


SMTP

May 29 16:21:03 2002 (4476) All recipients refused: (111, 'Connection
refused')
May 29 16:21:03 2002 (4476) smtp for 1 recips, completed in 0.004 seconds
May 29 16:21:03 2002 (4476) All recipients refused: (111, 'Connection
refused')
May 29 16:21:03 2002 (4476) smtp for 1 recips, completed in 0.004 seconds
May 29 16:21:03 2002 (4476) All recipients refused: (111, 'Connection
refused')
May 29 16:21:03 2002 (4476) smtp for 1 recips, completed in 0.004 seconds