Mailbox count on version 4 How to obtain the total count of all mailboxes on a MailSite v4 Server. MailSite 5 and later all contain 'Count Mailbox' button which is located under Securty > License Key. Using the Msbox.exe utility located in the MailSite directory, run the following syntax in a command prompt:

C:\Program Files\MailSite>msbox -list * >mailboxcount.txt

The mailboxcount.txt file will be created with a list of all email addresses local to the MailSite Server. Using either a Text Editor with a line counter or importing to an Excel Spread Sheet will show you the total number of mailboxes on your MailSite Server.