In earlier versions of cPanel/WHM, email sending relied on POP-before-SMTP authentication. This meant a user had to log in through POP3 before being allowed to send emails via SMTP—and the…
In earlier versions of cPanel/WHM, email sending relied on POP-before-SMTP authentication. This meant a user had to log in through POP3 before being allowed to send emails via SMTP—and the…