Repair Smtp Protocol Returned A Permanent Error 550 5.7.1 Message Rejected Tutorial

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Smtp Protocol Returned A Permanent Error 550 5.7.1 Message Rejected

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Any ideas what could be causing this and how to resolve it? . For more information, review this article. 550, "5.7.1", Unauthenticated email is not accepted from this domain. 550, "5.7.1", Daily SMTP relay limit exceeded for customer. Reply Anonymous says: October 27, 2016 at 11:52 pm Hello, I too faced SMTP error 550 5.7.1 couple of times but managed to overcome. Reply Aljie Rosario says: November 6, 2013 at 1:49 am Good Day to all, i am programming a php file that could send data/info to our perspective recipients but this error this contact form

My users are killing me!!! 0 Question by:CJRODRIG Facebook Twitter LinkedIn Google LVL 8 Best Solution bysusanzeigler Do they just have one MX record in their DNS? I'd still never setup a completely open relay, Internet-accessible or not. You should ask a new question with full details of the errors and NDrs being returned. Please help.

550 5.7.1 Unable To Relay

For more information, review this article. 550, "5.7.1", The user or domain that you are sending to (or from) has a policy that prohibited the mail that you sent. Please try double-checking the recipient's email address for typos or unnecessary spaces. I worked around this problem with the ExternalDomain.net and he says that his server didn't have restrictions over neither John's mailbox level nor server level. Did your problems go away...

How Do I Find Messages in the IMF? So once orders are raised or approved (Stock Transfer Requisitions), e-mails are triggered to the respective parties. I know it's a valid email address as some of my people can email to the name from external accounts. Smtp Error 550 He told me that he defined 2 MX records pointing to his SMTP gateway.

Please resend your message at a later time. We show this process by using the Exchange Admin Center. Then, I selected susan's answer but simon's radio button got cleared. 0 Message Expert Comment by:ckness2005-02-03 I have smae problem with same setup as far as server some times people Response: 550 5.7.1 Unable to relay for [email protected] - 8 We already tried to send data with the email "[email protected]" in our microsoft outlook and it works.

Same service, new name. Rbl Check I have disabled it since we have a spam filtering service in place. The answer therefore was simple, above that check-box on the relay restrictions tab, there is a options dialog which by default Only the list may relay. United States English English IBM® Site map IBM IBM Support Check here to start a new keyword search.

550, Invalid Credentials For Relay.

Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center. https://blogs.technet.microsoft.com/jhoward/2005/10/11/resolving-smtp-error-550-5-7-1-unable-to-relay-for-userdomain-com-error-0x800ccc79/ This is the issue: randomly, (I mean, sometimes happens, sometimes don't) my users get a message like this: Your message did not reach some or all of the intended recipients. 550 5.7.1 Unable To Relay Verify that YOUR mail server isn't in any blacklists and that you have full forward and reverse DNS for your mail server's IP - http://www.dnsstuff.com is a good place to check. 550-5.7.1 Gmail For more information, review this article. 550, "5.2.1", The email account that you tried to reach is disabled. 550, "5.2.1", The user you are trying to contact is receiving mail at

By default Microsoft either installs/or recommends that the Intelligent Message Filtering (IMF) service be enabled on all installations of Exchange. weblink For more information, review this article. 550, "5.7.1", The IP you're using to send mail is not authorized to send email directly to our servers. Therefore there will be two A records... Thanks for the tips! Smtp Error Codes

  1. The administrator of the other server needs to take this on as the issue is almost certainly at his end...
  2. To protect our users from spam, mail sent from your IP address has been temporarily blocked.
  3. Please Let me know your comments ASAP.
  4. Simon. 0 LVL 2 Overall: Level 2 Message Author Comment by:CJRODRIG2004-12-14 Ok thank u all.
  5. For more information on SMTP relay limits, please contact your administrator or review this article. 451, "4.3.0", Mail server temporarily rejected message. 451, "4.3.0", Multiple destination domains per transaction is unsupported.
  6. SMTP Error ReferenceTo help identify the source of errors, Gmail adds "gsmtp" to all errors it generates.
  7. Reply Vikash Prasad says: February 13, 2014 at 6:05 am Dear John, Your idea worked out very well for and i am very grateful for that.
  8. Never had this problem before moving to 2003... 0 LVL 104 Overall: Level 104 Exchange 99 Message Expert Comment by:Sembee2005-02-03 This is a closed question.
  9. Reply Don says: November 4, 2013 at 1:39 am The link Jenny has posted is a virus containing an IFRAME exploit….I would advise the link and comment should be removed.
  10. In cases that a 3rd Party Filtering is in place we typically recommend disabling the IMF feature.

The post was some 8 years back and I'm not authoritative on exchange issues. As you may be aware, the native spam-filtering features in Exchange are typically too basic for most organizations.  While there is no question that IMF can improve Exchange’s ability to catch Comments are closed. http://unordic.com/error-550/smtp-protocol-returned-a-permanent-error-550-error-content-rejected.html Thanks!!! Return to top