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[Today's post comes to us courtesy of Shawn Sullivan from Commercial Technical Support]
If you wish to connect to your Exchange mailbox on SBS with a remote Outlook client, we recommend that you use Outlook Anywhere. However, if you choose to use POP3 or IMAP instead, then use this post to determine which settings to select on the Outlook client for connectivity to these services. As a result of following these steps, your connections for both the submission and the retrieval of email to and from the SBS server will be encrypted, ensuring no personal information is transmitted over the network in an insecure fashion. The complimentary server-side configuration steps are found here: http://blogs.technet.com/b/sbs/archive/2008/09/19/how-to-configure-sbs-2008-to-host-pop3-imap4.aspx http://blogs.technet.com/b/sbs/archive/2008/09/18/how-to-configure-trusted-smtp-relay-in-exchange-on-sbs-2008.aspx
The key points to understand in this particular configuration are:
Note: We are demonstrating with Outlook 2010 in this post, but these settings need to be the same for any client software that you are using.
After selecting Internet E-mail for your new email account, you are presented with the screen where you choose either POP3 or IMAP for mail retrieval. Other than “Account Type”, much of the configuration will be identical between the two; for instance “Your Name”, “Email Address”, “Incoming mail server”, “Outgoing mail server (SMTP)”, “User Name”, and “Password”.
After completing this page select More Settings. For either client type, click the Outgoing server tab and choose Use same settings as my incoming mail server.
The settings will differ between client types after you select the Advanced tab. For POP3 clients you need to select This server requires an encrypted connection (SSL). Make sure the port changes to 995.
For IMAP clients, select SSL from the dropdown next to Use the following type of encrypted connection. Make sure the port changes to 993.
For either, enter 587 next to Outgoing server (SMTP) and choose TLS from the dropdown next to Use the following type of encrypted connection.
At this point you are ready to test account settings. If they fail, double-check the settings on both the server and the client. Also, make sure the client trusts the certificate presented by the server and that all the necessary ports are being forwarded properly through your firewall.
I trying to see if there was a GPO way of setting smtp, IMAP and ports in outlook.