How to Enable SMTP authentication in Plesk

How to Enable SMTP authentication in Plesk

When you attempt to log in, you are more likely to see an authentication failure error on your server. The problem typically happens when you attempt to log in with the incorrect username or password. Authentication will fail if your mail server rejects the credentials you specified in the login or password fields.

Our technical support staff receives a lot of requests to resolve authentication failure problems as a provider of server administration services. With the help of this blog, we hope to clarify the various reasons why the error occurs as well as how our server engineers resolve the “SMTP Error 535 Authentication Failed” message.

Follow the steps to enable SMTP authentication in Plesk

Step 1: Log into your “Plesk account”

Step 2: Search for the “Tools & Settings”

Step 3: Now, click on the “Mail Server Settings”

Step 4: Tick the “SMTP” box

Once you the done, click on the “OK” button

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