Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /home/uninstal/public_html/ on line 9
Effective Steps to Fix Outlook Error 550 - Outlook PST Repair

Effective Steps to Fix Outlook Error 550

MS Outlook is well known email-client application which has been widely used for sending or receiving emails. It can be used as both stand-alone program as well as part of Microsoft. The application is featured with advanced functionalities and easy to use interface with the help of which you can easily perform email operations. It is necessary to establish connection between Outlook and mail server in order to send or receive emails. But sometimes there comes a situation when Outlook fails to establish a connection with the server and you receive Outlook error 550 . When you attempt to send emails you receive below error message:

“550 No such user here”

The above error appears only in the situation when you attempt to send emails. Usually the email remains undelivered with some cryptic error code numbers like error code 550. This error also appears in other form as shown below:

“Your message did not reach some or all of the intended recipients. Subject: RE: trying to send this again... Sent: [Date] [time] The following recipient(s) could not be reached: \'Recipient _name\' on [Date] [time] 550 sorry, that domain isn\'t in my list of allowed rcpthosts (#5.4.3)”

Outlook error 550 is send by email server to email client in the situation when checkbox labeled “My server requires authentication” is unchecked. This error generally appears when email client try to send email to the server without providing a password. Problematic account settings are also responsible for the occurrence of above error message. So, in order to resolve this problem you need to correct your account settings which can be done as follows:

  • Go to Account setting option of Outlook which is present under Tool section and then modify the email account setting
  • After that click on More Setting tab which opens a Window
  • Change the Port number and click on OK button
  • Check the account setting by clicking Test Account Setting button. If it ends successfully then click OK button which will resolve your problem

After following aforesaid steps you can easily fix Outlook error 550 . But even if the error persists then it is clear that that it is PST file issue. It might be possible that your PST files have been damaged and you need to repair it using effective third-party software. You can use Outlook PST Repair software in order to repair damaged PST files. After repairing the files you can easily fix Outlook error 550 and can use Outlook smoothly.

Related Articles

  Cannot Open Outlook Window: What to do?

  Effective Steps to Fix Outlook Error 550

  Outlook Unable to Open Default Email Folders: Possible Causes and Solutions

  Split Oversized Outlook 2003 IMAP PST Files to Resolve PST File Size Issues

  Inbox Repair Tool Fails with Scanpst.exe Fatal Error 80040818

  Way to Fix Object Could Not be Found Error in Outlook

  Steps to Resolve Outlook Can’t Create Work File Error

  Effective Way to Fix Outlook 2010 Error Code 0x8004010F

  Get an Easy Way to Fix Outlook Error Code 10

  Outlook 2007 Unable to Expand Folder: Know How to Synchronize Offline Folders

  Backup Exec Corrupt PST Files: Repair it now to Regain Access on Stored Informations

  Unable to Start Outlook due to Outlook 2010 Error Loading Profile

  Fix Outlook 2003 Error 0x80040116 Instantly to Access PST Files Efficiently

  Repair PST Files when Scanpst.exe Fails

  Resolve Error 0x8004060C to Enhance the Functionality of Outlook

Related Question

  4GB Outlook.pst 2007 problem ?

  “Errors have been detected in the file” ?

  0x8004210E Error ?

  Error message ‘Unknown Error 0x8004020\' ?

  Restore Outlook after Reinstall ?

  Outlook cannot finish receive and sends duplicate email ?

  Error when copying outlook data \"can not copy: the path too deep\" ?

  Lost all folders in Outlook ?

  Outlook 2007 empty email ?

  Outlook 2007 Will Not Work After Installing Update ?

  Outlook 2007 \'Move To Folders missing from Inbox ?

  The Messaging interface has returned an unknown error if the probl ?

  Opening office attachment in Outlook problems ?

  Outlook 2007 Rules in Error - Cannot Reply to Message ?

  Outlook automatic close on opening some html documents ?


Copyright Disclaimer - Outlook is Registered product and trademark of microsoft corp. We at are not sponsored by any means by Microsoft and its office / outlook products neither we are making any represantation of Microsoft.