Hi Guys,
When trying to send emails, at times you receive an error
Quote550 "REJECTED - Bad HELO - Host impersonating
It is when you do not get a HELO message for incoming SMTP connections. Simply login to your server via WHM as root & access option
Service Configuration ยป Exim Configuration Manager. Find for
Require HELO before MAIL & set it to Off. Click on Save & try to send/receive emails. It should start working.