----- The following addresses had permanent fatal errors ----- (reason: 550 ... User unknown)...
Go to cPanel: click "Mail" - "MX entry", choose "Remote Mail Exchanger". Click "Add New Record"...
This is probably due to your quota being full. You will need to delete some of your mail to make...
You can do that at cPanel - "Email" - "Email Authentication".
Go to cPanel - "Mail" - "Email accounts". Complete all of the fields and click “create account”...
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