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web/imap access only from trusted networks

Posted: Wed Dec 22, 2010 5:24 am
by janci
Hi,
is there any way to set mail access for selected users (whole web/IMAP/POP) only from trusted subnets? The point is that not all our employees are allowed to use webmail from outside the company. Ideally, it would be nice to set such a thing in COS schema, but anything usable is a good solution :).
I've found in other thread (http://www.zimbra.com/forums/administrators/7509-disable-webmail-access-particular-user-domain.html):

[QUOTE] I could see a simple filter field being added in the Zimbra Admin Console under a user to list the network(s) that they could access from - ie 0.0.0.0 for no access, 192.168.0.0/xx for the local subnet or xxx.xxx.xxx.xxx/yy for external/remote site access. [/QUOTE]
So the question is: how to do it?
Thanks.