How to block users from sending e-mail to external addresses

[scott.demeyer]

I need to configure Zimbra to not allow mail to be sent outside our local network except for a couple of users.

Any suggestions on how this can be accomplished?

Zimbra version 5.0.14

Thanks

[phoenix]

A search of the forums or wiki would have found the following:

Restrict users to certain domain - Zimbra :: Wiki
Restrict sending to certain domains - Zimbra :: Wiki