1 post - 1 author - Last post: Mar 19, 2006Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'Verification failed for <mark@abc2.com.au>\nNo Such User Here\nSender verify .

7 posts - 4 authors - Last post: Jan 18, 2010The following message to <myuser@mydomain> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'Unknown .

11 posts - Last post: Apr 13, 20065.1.0 - Unknown address error 550-'Unknown user kimi-yoshino@docomo.ne.jp' Final-Recipient: rfc822;kimi-yoshino@docomo.ne.jp .

8 posts - 5 authors - Last post: May 2, 2008/"The following message to <aaaa [at] bbbb> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'"Mail from .

10 posts - 5 authors - Last post: Dec 2, 2009Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'5.1.1 <notifications@ WHATEVERTHEIRSUBDOMAINIS.basecamphq.com>: .

Oct 4, 2005 – 5.1.0 - Unknown address error 550-'5.1.1 unknown or illegal alias: tballach@ tampabay.rr.com'. The following addresses had permanent fatal .

Mar 14, 2006 – Hi,I have registered a domain with names.co.uk and am .

20 posts - 11 authors - Last post: Jan 27, 2006550 #5.1.0 Address rejected Error in Outlook. I have been receiving this message when I reply to an email or just create one. Your message did .

5 posts - 3 authors - Last post: Nov 1, 20065.1.0 - Unknown address error 550-'Administrative prohibition'

4 posts - 3 authors - Last post: May 13, 20085.1.0 - Unknown address error 550-'5.7.1 Fix reverse DNS for 62.24.128.234'. this has only started happening over the last couple of weeks , i .

The reason for the problem: 5.1.0- Unknown address error 550-'Administrative prohibition'. It is possible to receive a 'false' hard bounce so if you're sure of the .

Jul 22, 2010 – The reason for the problem: 5.1.0 - Unknown address error 550-'MAILBOX NOT FOUND' Reporting-MTA: dns; mail.example.com .

SGMX0401.datacraft-asia.com #5.0.0 smtp; 5.1.0 - Unknown address error 550-' 5.7.1 Requested action not taken: message refused' (delivery attempts: 0)> .

20 posts - 8 authors - Last post: Aug 5, 20085.1.0 - Unknown address error 550-'SC-001 Mail rejected by Windows Live .

2 answers - Mar 19, 2008Top answer: 550 Administrative prohibition is a very vague description but it can be tied to the following, - incorrect authentication with smtp server - remote blacklist .

I am getting this message when I try to send out to an email in hotmail. I would appreciate if you could advise how to fix this problem. The following message to.

All Products; Hotmail; Messenger; Windows Live ID; Admin Center; Essentials Installer; Family Safety; Groups; Mail; Mesh; Movie Maker; Photo Gallery; Profile .

8 posts - 4 authors - Last post: Oct 23, 2010Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'Verification failed for <----@rostrevorbaptist.asn.au>\nThe mail server could not .

4 posts - 3 authors - Last post: Dec 2, 20095.1.0 - Unknown address error 550-'relay not permitted' Installation/Configuration.

1 post - Last post: Aug 26I am not receiving emails. 5.1.0 - Unknown address error 550-'#5.1.0.

2 posts - 2 authors - Last post: May 7, 2010Only a few clients that send us emails gets this bounce back. 5.1.0 - Unknown address error 550-'5.7.1 SPF unauthorized mail is prohibited. .

5.1.0 - Unknown address error 550-'Mailbox is inactive'. Since Pipex have transferred over the home customer control panels to some part of Tiscali, there isn't .

4 posts - 2 authors - Last post: Jan 12, 20075.1.0 - Unknown address error 550-'Not supporting null. '

6 posts - 1 author - Last post: Feb 27, 2009Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'5.7.1 Recipient not authorized, your IP has been found on a block list' (delivery .

20 posts - 9 authors - Last post: Aug 1, 2006Please Login to Remove! Hi there, After upgrading the web client I have users unable to send email from their BB to anyone on the corporate .

File Format: PDF/Adobe Acrobat

2 posts - 2 authors - Last post: May 7, 20105.1.0 - Unknown address error 550-'5.7.1 SPF unauthorized mail is prohibited. My setup is Postini recieves mail first then it goes to godaddy .

8 posts - 6 authors - Last post: Feb 275.1.0 - Unknown address error 550-'5.7.1 Command rejected'. I tried to call HP customer support where I was on the call for a whopping 54 .

File Format: PDF/Adobe Acrobat - Quick View

5.1.0 - Unknown address error 550-'Verification failed for <Johnson@acs-inc.com >\nThe mail server could not deliver mail to mark.johnson@acs-inc.com. .

4 posts - 2 authors - Last post: Jan 10, 2010The following message to was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'relay not permitted'

2 posts - Last post: Sep 26, 20075.1.0 - Unknown address error 550-'No such recipient' We use a appliance that only accepts LDAP e-mail addresses to prevent address .

Error Message: 550 #5.1.0 Unauthorized relaying attempt by IP [IP Address] rejected. . Solution: Run anti-virus software, and/or disable any unknown software. .

4 posts - 2 authors - Last post: Nov 6, 2007Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'RCPT TO:<*******8 @tiscali.co.uk> User unknown' (delivery attempts: 0) .

Jan 18, 2011 – Smtp; 5.1.0 - Unknown address error 550-'5.7.1 Command rejected' (. Issue : Sending mail to specific recipient is failing with SMTP XXX code. .

How To Fix 5.1 0 Unknown Address Error 550. . If you want to repair 5.1 0 Unknown Address Error 550 you'll have to get the latest drivers and run a system .

8 posts - 6 authors - Last post: Jul 265.1.0 - Unknown address error 550-'"JunkMail rejected - a192-18.smtp-out. amazonses.com http://199.255.192.18:23856\nis in an RBL, see .

4 posts - 3 authors - Last post: Sep 10, 2010Need help identifying how to rectify this issue. The following message to <******* @aapt.com.au> was undeliverable.The reason for the .

Dec 10, 2004 – When I send an email from an outside source to one of my companies email .5.1.0 - Unknown address error 550-'5.7.1 Requested action not .

2 posts - 1 author - Last post: Jan 12, 20105.1.0 - Unknown address error 550-'5.1.1 User unknown'. I can disable the block messages sent to recipients option in the recipient filter and it .

Apr 8, 2005 – The reason for this problem: 5.1.0 - Unknown address error 550 - '5.2.1 Message rejected.' Any ideas of what would cause this or where to .

Jul 24, 2009 – Unknown address error 550-'Invalid recipient Error · Send e-mail to our domain ID bounce back - Error 5.1.0 - Unknown address error .

These reply codes are identified by the suffix - psmtp; for example: 550 No such . 582 This message violates our email policy - psmtp; 582 custom error . 553 Requested action not taken: mailbox name not allowed (Email address was not syntactically correct). 554 Transaction failed (Transaction failed for unknown reason) .

12 answers - Feb 21, 2009The reason for the problem: 5.1.0 - Unknown address error 550-'Invalid recipient: <martin@jdmcnicoll.com>' " any ideas or help with this ? .

4 posts - 1 author - Last post: 3 days ago[38.107.112.166] #<[38.107.112.166] #5.0.0 smtp; 5.1.0 - Unknown address error 550-'Recipient rejected' (delivery attempts: 0)> #SMTP# .

3 posts - 2 authors - Last post: Sep 7, 2010Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'Your address has been blacklisted by our administrators.' (delivery attempts: 0) .

6 posts - 3 authors - Last post: May 8, 2006Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'You are not allowed to send mail:sv25.verizon.net' (delivery attempts: 0) .

Jul 24, 2009 – 5.1.0 - Unknown address error 550. . Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'Invalid > recipient: .

12 posts - 5 authors - Last post: Aug 6, 2006Diagnostic-Code: smtp; 5.1.0 - Unknown address error 550-'Verification failed for <gilbert[at]xxxx.com>\nIt appears that the DNS operator for .

This error will occur when the domain name is not setup on the email server or the MX record is setup to the wrong server. Always check http://centralops.net/co/ .

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