The number of specified users in the Single Server License specifies the maximum number of users that can be created in MailShelf Server and which can connect to the server using MailShelf Client.
With Client Access Licenses (CALs), that can be purchased here, you can increase the number of allowed network users individually at any time and as required.
Client Access License for up to 5 users
Allows and enables you to add up to 5 additional users to your MailShelf Server installation.
Buy Now for just $129.99

Client Access License for up to 10 users
Allows and enables you to add up to 10 additional users to your MailShelf Server installation.
Buy Now for just $239.99

Client Access License for up to 25 users
Allows and enables you to add up to 25 additional users to your MailShelf Server installation.
Buy Now for just $549.99

Client Access License for up to 50 users
Allows and enables you to add up to 50 additional users to your MailShelf Server installation.
Buy Now for just $999.99

Client Access License for up to 75 users
Allows and enables you to add up to 75 additional users to your MailShelf Server installation.
Buy Now for just $1,399.99

Client Access License for up to 100 users
Allows and enables you to add up to 100 additional users to your MailShelf Server installation.
Buy Now for just $1,599.99

Client Access License for up to 250 users
Allows and enables you to add up to 250 additional users to your MailShelf Server installation.
Buy Now for just $3,499.99

Client Access License for up to 500 users
Allows and enables you to add up to 500 additional users to your MailShelf Server installation.
Buy Now for just $5,999.99
