Ports needed for MAPI

[Paul_Dudley]

We have staff temporarily working in an office in another country using Outlook 2010 as the client on a Windows 7 PC.

They have the MAPI client installed correctly (we installed it) and when they are in a hotel or at home Outlook connects to the mail server OK.

However from within this office it will not connect to the mail server.

They have opened up port 143 on the local firewall  to our mail server and when they run the telnet command for port 143 from the PC to the mail server it connects OK.

Are there any other ports that need to be opened to allow connection?

 

 

Thanks & Regards

Paul

 

 

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[b.tu...@twt.it]

Hi,

>We have staff temporarily working in an office in another country using Outlook 2010 as the client on a Windows 7 PC.
>They have the MAPI client installed correctly (we installed it) and when they are in a hotel or at home Outlook connects to the mail server OK.
>However from within this office it will not connect to the mail server.
>They have opened up port 143 on the local firewall  to our mail server and when they run the telnet command for port 143 from the PC to the mail server it connects OK.
>Are there any other ports that need to be opened to allow connection?

It uses the imap or imaps port so you should be good with 143 open for clear sessions , but will need 993 for imaps.
One thing to check is if the firewall does "fixup" "inspection" "alg" (dipending on firewall brand)of imap.
As the communigate mapi is not just imap the firewall may not like it and block it.
You can lower debug levels for imap and take a look in your cgp logs to see if the session comes up or if some error message appears

Brian


>Thanks & Regards
>Paul





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