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How to Set up IMAP4 on Exchange 2010

Hi there,

I am experiencing much Brain-Pain at the moment, i cannot get my head around this setup.
this is my first Exchange setup and i have now got it to send and receive emails using local exchange accounts on outlook.
I am trying to use IMAP4 for remote users and would like to use TLS, but I cannot get it to work. POP3 is working (but only with plain text, not TLS) but when I use the same settings on outlook (except IMAP) it times out while trying to connect to the server, using any authentication mode.
Weirdly though, when testing the connection settings on Outlook, it times out while trying to log onto the incoming mail server, but succeeds in sending the test email??

I am not sure what info you need, and the list of sites and guides i have looked at is the length of my arm, and i have very long arms!

let me know what more you need to know, but any advice would be very greatly appreciated!

Catomax
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catomax
Asked:
catomax
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1 Solution
 
endital1097Commented:
run the following and make sure a valid certificate is listed with services IMAP
get-exchangecertificate | fl
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catomaxAuthor Commented:
Services: IMAP, POP, IIS, SMTP
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Darryl AllenCommented:
This article might help:

http://www.isaserver.org/img/upl/exchangekit/2003secureimap4/2003secureimap4.htm

Can I ask why you are trying to use TLS with IMAP4?  I thought this is normally configured with just SSL.
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catomaxAuthor Commented:
It is my understanding that TLS is the Successor of SSL, and that SSL is not available in Exchange 2010 for use with IMAP.
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endital1097Commented:
is the certificate used by IMAP from a trusted 3rd party CA
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catomaxAuthor Commented:
Nope, it is the default certificate that is created with the install. I plan on using a proper one when it goes live but surely it should be able to use this one in mean time?
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endital1097Commented:
the client will get a certificate warning that the cert is not trusted and fail

you can install the cert onto the workstation to avoid the error and test
validate the install worked by browsing to owa
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catomaxAuthor Commented:
i think it showed the certificate error, but I just pressed yes, how do i get that error again? I remember there was a part where i could install it from there.
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endital1097Commented:
use internet explorer to browse to https://server.domain.com/owa
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catomaxAuthor Commented:
that lets me straight in and i can browse emails and things, it does give me the option at the begining to either continue or close the webpage as the certificate is not trusted.

thank you for your help so far though, really appreciate it.
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endital1097Commented:
that's where you have the ability to install the certificate
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catomaxAuthor Commented:
The only options I can see is:
- Click here to close this webpage
- continue to this website (not recommended)
- More information

I am using IE8, if that helps, can i install from the tools menu or somehting?
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catomaxAuthor Commented:
UPDATE:

I can set it up locally on the server and send + recieve mail off the account, as long as 'my outgoing mail server requires authentication is checked'

Externally, using the same account, with the same settings, it just says "log onto incoming mail server (IMAP): The connection to the server failed.

I am thinking it looks like a firewall issue, but all the correct ports on the firewall are open, any ideas?
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catomaxAuthor Commented:
you were the most help, even though not solved.
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