BUG - Email Smarthost Authentication

Hello

Setting up the Sophos MTA to use ISP email server as a relay for the email.

I configure the smarthost using the ISP email server.

I tick the authentication box, add in the username and password for SMTP Authentication.

The Sophos cannot forward emails, they are listed as failed.

 

I have the same setup in Outlook on my desktop PC, so I can validate the username and password, and am using Port 25 SMTP.