I am Getting ” 451 Temporary local problem – please try later ” error while sending mail

Error:

451 Temporary local problem – please try later

Solution:

Please note that Mx record of the domain is pointing to our server so you have to choose the Email Routing as Local Mail Exchanger. But you have mentioned wrongly as Remote Mail Exchanger. Kindly follow the below procedure to change the Email Routing setting.

i)Login to your WHM
ii)Home »DNS Functions »Edit DNS Zone
iii)Choose the domain name and click on edit
iv)Choose Email Routing as Local Mail Exchanger