Details:
To temporarily suspend e-mail services for a mailbox:
1 Click Mail from the main menu.
2 Click the e-mail address, whose e-mail services you wish to suspend.
3 Clear the Mailbox check box.
4 Click OK.
To resume e-mail services for a suspended mailbox:
1 Click Mail from the main menu.
2 Click the e-mail address, whose e-mail services you wish to resume.
3 Select the Mailbox check box.
4 Click OK.
To temporarily suspend e-mail services for all mailboxes in a domain:
1 On your Home page, click the domain name you need.
2 Select Mail Accounts icon in the "Mail" section.
3 Click the "Mail Settings" icon
4 Un-check the "Activate mail service on domain" checkbox
5 Click OK
To resume e-mail services for all mailboxes in a domain:
1 On your Home page, click the domain name you need.
2 Select Mail Accounts icon in the "Mail" section.
3 Click the "Mail Settings" icon
4 Check the "Activate mail service on domain" checkbox
5 Click OK