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Old 10-31-2007, 12:15 AM   #1
Registered: May 2006
Location: Gz,China
Distribution: RH,FB
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sendmail error code 451 503

Running /var/spool/mqueue/l9TFu20P016658 (sequence 2 of 2)
>>> RSET
250 Reset OK
<>... Using cached ESMTP connection to via esmtp...
>>> MAIL From:<> SIZE=14027
250 OK
>>> RCPT To:<>
>>> DATA
451 lowest numbered MX record points to local host
<>... Deferred: 451 lowest numbered MX record points to local host
503 valid RCPT command must precede DATA

>> lowest numbered MX record points to local host
I've checked that the MX record is good!

What's the meaning of "valid RCPT command must precede DATA" please? how can I fix these two errors please?
Old 10-31-2007, 01:40 AM   #2
Registered: Apr 2006
Distribution: SuSE, RedHat, Fedora, CentOS, BSD
Posts: 115

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Is your DNS running on the same machine? could you send us your zone config files?


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