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Exchange 2010 ports - What firewall ports need to be open

Hello Experts,
Trying to get some questions knocked out for my Exchange installation. I have been getting some excellent help and I'll hopefully be closing many questions shortly.
Question: What outside internet ports need to be opened for Exchange 2010 to work behind a firewall? I have port tcp 110, 25, 993,995, 563,80,443, 465
I'm reading this article http://technet.microsoft.com/en-us/library/bb331973.aspx 
I don't have an Edge Transport Server so i would just be the Hub Transport server role connected directly to the internet behind a firewall.
I also need to connect with OWA
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ticowarehouse
Asked:
ticowarehouse
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3 Solutions
 
AkhaterCommented:
depends on the services you need to make available from outside

owa/activesync/outlook anywere : 443
SMTP : 25 (That's for sure you need it)
pop3/pop3s imap/imaps
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Alan HardistyCo-OwnerCommented:
Here is a link to the ports Microsoft Recommend based on your particular configuration:
http://technet.microsoft.com/en-us/library/bb331973.aspx
But as stated (with some additions):
  • SMTP - 25 / 587
  • POP3 - 110 / 995
  • IMAP4 - 143 / 993
  • HTTPS - 443
You have listed NNTPS - 563 - not needed unless you are running NNTPS
You have also listed port 465 - No idea why you would want that port opened!
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Glen KnightCommented:
For OWA/ActiveStn you would be using port 443

you need port 25 for your SMTP

you shouldnt need POP3 or IMAP but if you do then:

POP3 110
SSL-POP3 995
IMAP 143
IMAPS 993
SMTPS  465

but there should be no need for these
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Glen KnightCommented:
Type on my SMTPs but Alan covered it :-)
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ticowarehouseAuthor Commented:
Thanks everybody. Demazter, you have been great help on the other questions as well.
I'm splitting up the points for everybody because help was fast.

I also have another question opened with the following title
transparent outlook pop3 migration to exchange 2010, if i can get some help there i would appreciate it as well.
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ticowarehouseAuthor Commented:
Incredible fast help, thanks.
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MathiauCommented:
One reason for POP3/SMTP would be people with mobile devices no?, older phones, not necessarily blackberry's
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Glen KnightCommented:
For example?

Nokia phones have mail4exchange which uses ActiveSync, Android, Windows Phones, Sony, Samsung and iPhones all use ActiveSync.

Yes there are probably some really old phones that don't but I would suggest these handsets are in dire need of an upgrade!
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MathiauCommented:
Ahh, good to know then!

Just set up a new exchange and been having issues with pop3/smtp but now moving towards OA for outlook clients and now, activesync for phones!
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