Zimbra is working well sending and receiving mail from inside our network. I am now testing to be sure our outside users of the Web Client can connect and do business from public hotspots. ex. internet cafe. I am having trouble with the web client connecting.
Example: Connecting from McDonalds - I can ssh in fine, connect using http to the admin console fine, but have trouble connecting with the Web Client even with port 443 and 25 open.
I have read the other posts on "ports" for zimbra and have the following ports forwarded through our firewall to the zimbra server on our private network:
SSH 22 (just in case in I need it - root access only)
Postfix 25 (open just for argument sake)
Postfix 2525 (DynDNS Mail Hop - around the ISP's block)
IMAPS w/ SSL 993
POPS w/ SSL 995
For Zimbra Admin access 7071
Any tips on resolving this issue?