Enable SMTP Authentication on cpanel

1.SMTP authentication allows you to send messages via a POP mail server for 30 minutes before you will need to re-authenticate a session through SMTP.

2.SMTP authentication is disabled in WHM by default. To enable this option, navigate to WHM’s Service Manager (Home >> Service Configuration >> Service Manager) and select the Antirelayd checkbox.

3.To disable the feature “Authenticate POP before SMTP” in WHM/Cpanel server by simply executing the following command.

To Enabling SMTP authentication

 /usr/local/cpanel/bin/tailwatchd --disable=Cpanel::TailWatch::Antirelayd

l1@squarebrothers.com'About Support
We are working as a Server administrator at Squarebrothers Info tech Pvt Ltd. We are First ICANN accredited Domain Registrar in South India. We are partner with Cpanel NOC, Microsoft SPLA, APNIC member and Microsoft GOLD partner.

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