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An SMTP protocol error occurred.

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An SMTP protocol error occurred. - 2.Aug.2012 5:20:35 AM   
shoaib

 

Posts: 3
Joined: 2.Aug.2012
Status: offline
Hi,

We have a problem sending email to two specific domains, all other domains recieve our mail properly. Mail being sent to these domains stop in the outgoing queue, one domain says that "addition information" provided is "An SMTP protocol error occurred". and other domain said that "The remote server did not respond to a connection attempt" When I look at the message in the queue, the last line reads: "Message transferred to through SMTP" - note the double space between "to through", where in a successfully message this is filled with a string of "************".

I have reviewed most all the information I can find about DNS/MX/rDNS and confirmed that all the information is correct. I can not Telnet to these mail servers, i tried SMTPdiag and i received the error. please review the link.

http://postimage.org/image/et074fraf/

any one help me please....
Post #: 1
RE: An SMTP protocol error occurred. - 2.Aug.2012 5:24:15 AM   
shoaib

 

Posts: 3
Joined: 2.Aug.2012
Status: offline
i also checked that my IP and Domain is not blacklisted.

(in reply to shoaib)
Post #: 2

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