From the Support Center, you can also search the Microsoft Product Support Knowledge Base and contact Microsoft Product Support Services. Join Now For immediate help use Live now! Right-click SuppressExternal, and then click Modify. 6. This may cause the connection to fail. this contact form
From a newsgroup post: "If the only problem you are seeing is that XEXCH50 is being denied in some cases, but there is no mail flow problem, it sounds like everything The client at "188.8.131.52" sent a "helo" command, and the SMTP server responded with "501 5.5.4 Invalid Address ". This information is pretty much a rehash of information found in ME818222. Creating your account only takes a few minutes. http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=Exchange&ProdVer=6.5.7638.0&EvtID=7010&EvtSrc=MSExchangeTransport&LCID=1033
It receives an acknowledgement from the remote host. 8. read more... Once we restart our exchange server then the mails in the queue will be delivered and the external mails will work fine for few days.
also Event Type: Error Event Source: MSExchangeTransport Event Category: NDR Event ID: 3018 Date: 1/18/2011 Time: 9:49:37 AM User: N/A Computer: SERVER Description: A non-delivery report with a status code of It performs the equivalent of an Nslookup for the MX (mail exchanger) record of the remote domain. 2. This will probably cause the connection to fail. The full command sent was "MAIL FROM:
Covered by US Patent. Smtp Protocol Error Hp Printer Browse other questions tagged exchange smtp exchange-2003 spam ndr or ask your own question. The full command sent was "RCPT TO:
But any how i will try the telnet next time. The full command sent was "rcpt TO:
Refrain from issuing XEXCH50 commands when sending mail even though the receiving mailserver says it's available. You'll get a quicker and more thorough response that way. When Exchange 2000 or 2003 attempt to send an XEXCH50 command and are denied, they continue to try to send their message data". http://phabletkeyboards.com/smtp-protocol/smallbusiness-smtp-connector-an-smtp-protocol-error-occurred.php Get Access Questions & Answers ?
Exchange Advertise Here 755 members asked questions and received personalized solutions in the past 7 days. Do you have an alternative firewall that you can use temporarily? This may cause the connection to fail.
Let say I am a spammer from [email protected], I send an email to [email protected] with the sender address as [email protected] Go to Solution 4 Comments LVL 12 Overall: Level 12 I will award you the points as you have explained what the issue was and how to fix it! Email Reset Password Cancel Need to recover your Spiceworks IT Desktop password? The client at "184.108.40.206" sent a "mail" command, and the SMTP server responded with "501 5.5.4 Invalid Address ".
See ME843106, and ME895853 to fix this problem. The full command sent was "rcpt TO:
Suggested Solutions Title # Comments Views Activity What does “Clear categories on mail (recommended)” in Outlook 2010 Rules mean and do? 5 10,825 17d Excel Spreadsheet - Send email if certain Join the community of 500,000 technology professionals and ask your questions. This will probably cause the connection to fail. One thing you can do to stop this right now is to disable NDR on Exchange, see this KB http://support.microsoft.com/?kbid=909005 Then, you may want to implement IMF.
The full command sent was "RCPT TO:
notice the description is different in both events: Event Type: Error Event Source: MSExchangeTransport Event Category: SMTP Protocol Event ID: 7004 Date: 3/17/2010 Time: 9:31:03 AM User: N/A Computer: SBSERVER Description: First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. I get "An SMTP protocol error occured" in the Exchage System Manager, but no other details. If you are seeing this between servers in different Exchange organizations, it is normal expected behavior, and should not actually block mail flow.
In the Value data box, type 1, and then click OK. 7. This will probably cause the connection to fail. The remote host "
Someone please help me to find and resove this issue. Navigate to the Recipients >>… Exchange Email Servers Rename and move Database and log to new volume in Exchange 2013/2016 Video by: acox65807 This video discusses moving either the default database http://support.microsoft.com/kb/843106 This is an SMTP protocol log for virtual server ID 1, connection #30. Send me notifications when members answer or reply to this question.