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Smtp Error Codes 550 5.1.1

You can use an online tool that serves this purpose—there are lots of them on the Internet. Simplificate an array In a World Where Gods Exist Why Wouldn't Every Nation Be Theocratic? If the email address wrong then you get 550 series error message. You can try again later. : host in7.example.com said: 552 ... Check This Out

Click the "Message Delivery Restrictions" and then click properties, or simply just double click it. For example, the recipient might have been moved from an on-premises Exchange organization to Exchange Online, or vice-versa. Check the e-mail address, or contact the recipient directly to find out the correct address. < abc.abc.xyz #5.1.1 smtp; 550 5.1.1 User unknown> Wednesday, September 21, 2011 11:36 AM Thank you.

It can help the user and their ISP resolve why they are bouncing mail more quickly. The error that the other server returned was: 550 5.1.1 User unknown ----- Original message ----- DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;         d=gmail.com; s=20120113;         h=x-received:subject:from:content-type:x-mailer:message-id:date:to          :content-transfer-encoding:mime-version;         bh=XrVtyB/I0+stfgEa6krlaBCIHkADpUu1ox/TQqQeW54=;         b=g0f1+PC4lLBmGQL/mcEBdayu/QeL3YnzgUKk5j1Ux5BKc6/qF5XD+/tTkP87SvXbT8 Please confirm the port 25 is opened or not. Check if there’s a current service issue in Office 365 affecting the user's account.

All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback TechNet Products IT Resources Downloads Training Support Products Windows Windows Server System Center Browser   Office Office 365 Exchange Server   SQL Server Their rule could have tried to send a copy of your message to a bad email address. Friday, September 23, 2011 7:32 AM Reply | Quote 0 Sign in to vote Hi everyone, I am having a problem with few email addresses that seem to get bounced back of Community Action: Before and AfterSentry International: Before and After Contact Our Design Staff Mobile Web SitesWebsite HostingSearch Engine Optimization (SEO)Content Management Systems (CMS)Social MediaPay-Per-Click (PPC)Email Services Anti-Virus ScanningAdvanced Spam FilteringRelay

Relay Access Denied Another domain error that can be due to either the sender's or recipient's domain is a relay access denied error: host wormwood.example.com said: 554 : Recipient Address A message sent a Pen Publishing account is forwarded to another mailbox; if that account is set to forward to Pen Publishing, then a mail loop is created: mail goes from There are a few common reasons why you might get this notification: The person or mailbox you're trying to send your message to couldn't be found on the destination email server. http://serverfault.com/questions/457612/email-bounce-back-550-5-1-1-recipient-rejected Some other configuration error on the recipient's end. –joeqwerty Dec 12 '12 at 22:53 Thank you joeqwerty.

Why is the size of my email so much bigger than the size of its attached files? Measuring Social Media for Business? It may be a problem with DNS (the MX record) as DKNUCKLES stated or it may be a problem with the Exchange configuration. If you need more detail about this, see Remove suggested name or email address from the Auto-Complete List in Outlook Web App.

All other users are receiving external email ok. https://support.microsoft.com/en-us/kb/2685437 Return to top Message exceeds size limit : host host.example.com said: 552 Message size exceeds fixed maximum message size (5000000) : host mx2.mail.example.com said: 552 message size exceeds maximum message size It is quite rare, actually, to reach a completely incorrect mail server when sending email to a domain, so if you receive this message, the problem is usually a misconfiguration error The error that the other server returned was: 550 5.1.1 User unknown Reply Subscribe RELATED TOPICS: 550 5.1.1 User unknown when sending from external email server How many non-I.T.

Thanks for your help so far   Chris   RECV20130131-1.LOG (53.5 KB) 0 Jalapeno OP Chris Francis Feb 7, 2013 at 10:04 UTC Problem sorted at my end. his comment is here To learn more, see Backscatter messages and EOP. Validation results confidence rating: 0 - Bad address error : RecipientRejected - Mail server rejected the email address. Try mailing them one more time (preferably at least a day later) in case it was a technical problem, but after that, stop using that email address.

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  4. Assuming that your provider is, in fact, not a spamming service, they will want to act quickly to get themselves removed from these blacklists.
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  6. Could you turn on SMTP logging and do a telnet to the server and see how the session looks 0 Jalapeno OP Chris Francis Jan 31, 2013 at
  7. Create a new email message.

Usually, this means you misspelled the domain name, but it may indicate a problem with the domain's record that prevents the domain from being found. If you run a mailing list, and one of your subscribers starts bouncing mail with this error, remove them from the list. Here is the message i get when i try to send or reply to the message: Your message did not reach some or all of the intended recipients. http://phabletkeyboards.com/smtp-error/smtp-5xx-error-codes.php User unknown : host mail7.example.com said: 550 Requested action not taken: mailbox unavailable : host mail.example.com said: 550 5.1.1 is not a valid mailbox : Sorry, no mailbox here by

Empty the entire auto-complete list Open the user's mailbox in the light version of Outlook Web App. Another Relay Access Denied error exists: "Sender Address rejected: Relay Access Denied"; this is actually an anti-spam bounce, so please see Relay Access Denied: Anti-Spam bounce below. If you do not have other means to contact the person who is bouncing mail, you probably have a dead email address.

CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements.

If you have a hybrid topology, the solution might also be related to the on-premises mail transfer agent. If everything looks okay, or you get the same error when trying to send the email again, even though you are sure that the address exists and is typed correctly, you The recipient doesn't have the email address that you're sending to. 3. Is remote.apira.co.uk your Exchange server?

Check your Sent folder for any messages that you know you didn’t send. Authoritative is nothing but we set that the respective server can generate the NDR and send it to the sender. Some other related problems will require administrator-level access to email settings that most people don't have to deal with. navigate here Choose Service health to see an overview of any issues.

Regarding point 2, I get the same bounce when they send an email and I hit "reply to"... Thanks. By creating an account, you're agreeing to our Terms of Use and our Privacy Policy Not a member? Only 1 user is not able to send to the exchange server and gets this error...

It might also be a problem with the recipient’s domain configuration. Backspace will not work in telnet please make sure that your are typing without any mistake. Subject: flights to nc Sent: 6/16/2008 10:32 AM The following recipient(s) could not be reached: [email protected] on 6/16/2008 10:32 AM The e-mail account does not exist at They’ll have to resolve the issue in order to prevent NDR 5.1.x errors.

Creating your account only takes a few minutes. Return to top Other types of errors that should be quickly fixed can be caused by users misconfiguring their own email accounts. In the E-Mail Name Resolution section, choose Clear Most Recent Recipients List, and then choose OK. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the

You can verify this by comparing the address provided in the NDR with the address shown in the original message that is in your Sent folder. These errors mean that your provider's domain name (or specifically, your email address) is explicitly listed as a known spammer on a blacklist. EHLO hexillion.com 250-Postini says hello back 250-STARTTLS 250-8BITMIME 250 HELP MAIL FROM: 250 Ok RCPT TO: 550 5.1.1 User unknown [Address has been rejected] RSET 250 Ok QUIT 221 Catch you Note: Updates to a domain's DNS records can take up to 72 hours to propagate to all DNS servers on the Internet.

Select View all. This type of useless automated message is called backscatter. Thanks Chris From: Mail Delivery Subsystem [mailto:[email protected]] Sent: Thursday, January 31, 2013 8:06 AM To: [email protected] Subject: Delivery Status Notification (Failure) Delivery to the following recipient failed permanently:      [email protected] Technical Join the community Back I agree Powerful tools you need, all for free.

There are couple of things that could have caused this error: The recipient address does not exist: you may possess an outdated email that was valid at one time. This is an RFC 3463 extended status code. I sent a message and got error code 5.1.x in an NDR.