To suspend specific mail box in Reseller Account, please follow the following steps :-
1) Login to Plesk Control Panel.

2) Click on "Subscriptions".

3) Click on "Manage Hosting"

4) Click on "Mail Tab"

5) Click on "E-mail Address".

5) Click on "General Tab"

6) Click on Check box "Mail Box"
Information: The settings of e-mail address email.address@gwdemo.com were saved.
