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SMTP check not working

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Last Modified: 2016-07-09
Experts,

Telnet from SMTP is not working. What could be the problem.!

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telnet 172.16.91.125 25
Trying 172.16.91.125...
Connected to 172.16.91.125.
Escape character is '^]'.
220 mail.abcdefgh.com
ehlo hereiam
250-USIRVEXM00123.abcdefgh.com Hello [10.10.19.141]
250-SIZE 37748736
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-X-ANONYMOUSTLS
250-AUTH NTLM
250-X-EXPS GSSAPI NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 XRDST
mail from:abcdef@abcdefgh.com
250 2.1.0 Sender OK
rcpt to:abcdef@abcdefgh.com
250 2.1.5 Recipient OK
data
354 Start mail input; end with <CRLF>.<CRLF>
123oracle
.
250 2.6.0 <fcb33b29-210e-4e50-9e3e-36d1b1cf13d9@USIRVEXM00123.abcdefgh.com> [InternalId=8877697401164, Hostname=USIRVEXM00123.abcdefgh.com] Queued mail for delivery
451 4.7.0 Timeout waiting for client input
Connection to 172.16.91.125 closed by foreign host.

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