To suspend a email service for a specific domain,please follow the following steps :-
1) Login to Plesk control panel.

2) Click on "Domains" and then Click on "Control panel" in front of the domain whose files permession you want to change.


3) Click on "Mails".

4) Click on "Change Settings".

5) Uncheck the checkbox infront of "Activate mail service on domain" to suspend
email for this domain and Click "OK".
