How to Resolve Email Delivery Issue 550.5.7.1?

Whenever users face this kind of unexpected issue they become frustrated and start looking for the solution.  To fix Hotmail error code 550.5.7.1 you need to understand what it causes first. This error happens to any users. I exchange finds any unauthorized user is accessing the exchange server. This error contains three digits code and each digit contains the meaning. Have you encountered this error and are looking for the best resolution steps? If yes, then you have reached the right place. In this blog we are going to tell you the effective steps to Resolve Email Delivery Issue 550.5.7.1

In case, if you are unable to comprehend the below mentioned troubleshooting steps successfully, then without thinking much you can dial Hotmail Helpdesk Number and share your queries with the professionals effortlessly. 

Common Causes of Email Delivery Issue 550.5.7.1

  • There is an unknown sender who doesn’t recognize the sender. 
  • Sender domain fails to be authentic. 
  • The recipient blocks the sender email address. 
Resolve Email Delivery Issue 550.5.7.1

Steps to Resolve Email Delivery Issue 550.5.7.1

Step 1: Launch exchange server manager and move to the administrative groups. 

Step 2: Now select the administrative group name then choose server> server name. 

Step 3: After that click on protocols and select SMTP.

Step 4: When you select the SMTP, right click on the Default SMTP Virtual Server and Select properties. 

Step 5: In between if you face any difficulty, you can share with the Hotmail support team. 

Step 6: Go to the access tab, click on the relay and only the list below. 

Step 7: Now, check the checkbox “Allows all systems to successfully authenticate to relay regardless of the list above”. 

Dial Hotmail Helpdesk Number 1-888-726-3195 for Resolving Any Error Code Related to Email

If followed above-mentioned steps cannot Resolve Email Delivery Issue 550.5.7.1. At that point it is advisable to call the Hotmail Support team. Here the professionals are round the clock available to help you in the best possible manner. 

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