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why can't I send emails to .com email addresses?

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When I try to email a .com address the following warning fires back. I can receive emails from this address but not reply to them either

The original message was received at Thu, 27 Feb 2014 13:42:25 +1300 from 121-74-19-81.telstraclear.net [121.74.19.81]

  ----- The following addresses had permanent fatal errors -----

<admin@mekongbaby.com>

   (reason: 550 No such user)
  ----- Transcript of session follows -----

... while talking to bsmtp.hosts.net.nz.: >>> RCPT To:<admin@mekongbaby.com> <<< 550 No such user 550 5.1.1 <admin@mekongbaby.com>... User unknown


Reporting-MTA: dns; lefty.hosts.net.nz Received-From-MTA: DNS; 121-74-19-81.telstraclear.net Arrival-Date: Thu, 27 Feb 2014 13:42:25 +1300

Final-Recipient: RFC822; admin@mekongbaby.com Action: failed Status: 5.1.1 Remote-MTA: DNS; bsmtp.hosts.net.nz Diagnostic-Code: SMTP; 550 No such user Last-Attempt-Date: Thu, 27 Feb 2014 13:42:31 +1300


Return-Path: <admin@prophetsrock.co.nz> Received: from [192.168.1.15] (121-74-19-81.telstraclear.net [121.74.19.81]) (authenticated bits=0) by lefty.hosts.net.nz (8.13.8/8.13.8) with ESMTP id s1R0gP0C017588 for <admin@mekongbaby.com>; Thu, 27 Feb 2014 13:42:25 +1300 Message-ID: <530E89F4.1010800@prophetsrock.co.nz> Date: Thu, 27 Feb 2014 13:42:28 +1300 From: Jo <admin@prophetsrock.co.nz> Organization: Prophet' Rock Wines Ltd User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: admin@mekongbaby.com Subject: hi linda Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit

When I try to email a .com address the following warning fires back. I can receive emails from this address but not reply to them either The original message was received at Thu, 27 Feb 2014 13:42:25 +1300 from 121-74-19-81.telstraclear.net [121.74.19.81] ----- The following addresses had permanent fatal errors ----- <admin@mekongbaby.com> (reason: 550 No such user) ----- Transcript of session follows ----- ... while talking to bsmtp.hosts.net.nz.: >>> RCPT To:<admin@mekongbaby.com> <<< 550 No such user 550 5.1.1 <admin@mekongbaby.com>... User unknown Reporting-MTA: dns; lefty.hosts.net.nz Received-From-MTA: DNS; 121-74-19-81.telstraclear.net Arrival-Date: Thu, 27 Feb 2014 13:42:25 +1300 Final-Recipient: RFC822; admin@mekongbaby.com Action: failed Status: 5.1.1 Remote-MTA: DNS; bsmtp.hosts.net.nz Diagnostic-Code: SMTP; 550 No such user Last-Attempt-Date: Thu, 27 Feb 2014 13:42:31 +1300 Return-Path: <admin@prophetsrock.co.nz> Received: from [192.168.1.15] (121-74-19-81.telstraclear.net [121.74.19.81]) (authenticated bits=0) by lefty.hosts.net.nz (8.13.8/8.13.8) with ESMTP id s1R0gP0C017588 for <admin@mekongbaby.com>; Thu, 27 Feb 2014 13:42:25 +1300 Message-ID: <530E89F4.1010800@prophetsrock.co.nz> Date: Thu, 27 Feb 2014 13:42:28 +1300 From: Jo <admin@prophetsrock.co.nz> Organization: Prophet' Rock Wines Ltd User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: admin@mekongbaby.com Subject: hi linda Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit

All Replies (2)

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It happen only to that particular email id or all email id's ?

Are you using proxy settings?

which version of Thunderbird are you using?

Try in Thunderbird safemode

Modified by iamjayakumars

more options

It happen only to that particular email id or all email id's ?

Are you using proxy settings?

which version of Thunderbird are you using?

Try in Thunderbird safemode