How to Disable Auto Reply Option for Email in Plesk 12.5?
To stop the auto-reply option in the plesk control panel, follow the options given below.
Step 1: Login to Plesk Control Panel.
Step 2: Click Mail tab and select the email account that was enabled with the Auto-reply option.
Step 3: Under Auto-Reply tab, uncheck Switch on auto-reply check box and click OK.
Auto-reply for the particular email contact will be disable with the alert message.