I am Getting ” 451 Temporary Local Problem ” In My Domain MX

Error:

451 Temporary local problem – please try later

Reason : 

If you have choosen the Email Routing selector as Remote Mail Exchanger  in your Domain MX record , then you will face this issue.

Solution: 

1. Login to WHM
2. Go to the Path  Home »  DNS Functions  » Edit DNS Zone
3. Choose the corresponding Domain name and click “Edit”
4. Scroll Down You can able to see ” Email Routing ” Option ,
5. Below that choose “Local Mail Exchanger”,                                                                     Automatically Detect Configuration (recommended) more »
   Local Mail Exchanger more »
   Backup Mail Exchanger more »
   Remote Mail Exchanger more »
6. Click Save.