You should ONLY forward 443 (HTTPS) and 25 unless you plan to expose
yourself (or systems rather) the POP/IMAP access should all be done
internal, make the external user access with Webmail over SSL, or another
way is to SSH into the LAN and portforward thier local IMAP/POP ports to the
SuSE Server. You can do this with standard SSH on Unix or the New Putty
Windows Clients will work too. This last case is good for home users or
traveling folks. Another idea, option 3 is to only do SSH and use PINE or
MUTT to access the server, point is you should never do IMAP/POP access for
anything ouside the LAN.
Oh, LDAP will portforward too, do not expose that either.
Regards,
Jon
----- Original Message -----
From: "Michael Garabedian"
I am getting ready to install Email Server III in my office.
I would like to put it behind my firewall but I was wondering which ports I should forward to make this work
I already am going to forward ports 25, 80, 110, 143. Is there anything I need to forward for ldap to work, or does skyrix work on any other ports I need to know about.
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