troubleshooting Question

Opening firewall for Mac OS Mail

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crcsupportFlag for United States of America asked on
Apple OSHardware FirewallsEmail Servers
4 Comments2 Solutions388 ViewsLast Modified:
I'm having trouble to open ports on our wireless firewall for Mac Os mail user.
When I open all services, it works, but doesn't when I open only  80, 143, 587. No SSL is required. I checked the Mail preference in Mac Os Mail, those are the ports shown at exchange setup required. What else do I have to open?
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