When I send emails from external account i get some errors like as follows
1. 550 Host unknown
2. Technical details of permanent failure: DNS Error: Domain name not found
Please note that my domain name was originally setup by microsoft and thereafter it has moved to another provider. I have already called them and got confirmation that everything with respect to my domain name is fine.
This is an urgent issue as I am using this for my business. Kindly look in to this as early as possible.
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