I have a client that thinks they want to open all the ports associated with MAPI to have seamless access to their Kerio MailServer from any internet connection - just open Outlook and go sort of thing.
I have advised against this as it would expose their entire server to the internet.
1. Is there a way to accomplish what they think they want?
2. Is there a list somewhere of all the ports involved in opening MAPI through the firewall?
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