We are currently using Exchange 2007 sp3 one 64-bit Windows Server 2008 R2 Enterprise. My system consist AD,mailbox,Cashub ( role hub transport and client account install on a server) and Server Edge. This my prolem:
I have user xyz@a.com send email to abc@a.com by MS Outlook 2010. He can be seen email in sent items but recipient was unable to receive the email. I check Receive log on cashub
MAIL FROM: <xyz@a.com>08D004E661864F48;2013-05-24T00:34:00.145Z;2
250 2.1.0 Sender OK
RCPT TO: <abc@a.com>
250 2.1.5 Recipient OK
DATA
354 Start mail input; end with <CRLF>.<CRLF>
451 4.7.0 Timeout waiting for client input
I do not know why the email can in sent items with error " 451 4.7.0 Timeout waiting for client input" ?
Please tell me processing email from inbox item to sent item and resason this error