Zimbra have functions to enable access to IMAP/POP on all users. Admin can perform check/uncheck to enable/disable that function on
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Zimbra Tips : How to Restrict Sending to Distribution list
By default, Distribution list in Zimbra can be sent from anywhere (internal domain and external domain). if you want to restrict from some
Read moreRestricting Users to Send mails to Certain Domains on Zimbra 8.5
Previously, i have been explain how to restrict users to send mails to certain users/domains using CBPolicyd. This article have
Read moreHow To Restrict Users Sending to Certain Users/Domains With Policyd
Policyd has module access control. This module can use for some aims as improving anti spam reject unlisted domain like article
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