Domain Sharing is a feature which allows you to split your Default and Extra
domains' users across multiple servers. This makes it possible for you to have MDaemon
servers running in different locations, all using the same domain names but withdifferent user accounts. One portion of your domains' user accounts are hosted on one
server while another portion of them are hosted on one or more other servers. The
Domain Sharing dialog is used to specify where each of these other servers is located.
Then, when an incoming message arrives for a local user who does not have a local
mailbox, Domain Sharing will use Minger to query the other servers in order to discover
whether or not that user has an account on one of them. If the address is found to be
valid, MDaemon will accept the message and route it to the server where the account
is located.
For example, you could have offices in multiple cities and choose to use Domain
Sharing to allow every employee to have an email address ending with, "@example.com
." Each office's MDaemon would host a portion of example.com's email, having
accounts only for the local employees who work in that office. Then, every office
would be configured to use Domain Sharing, so that everyone's messages would get
routed to the correct office.