Configuring Microsoft Outlook 2003 for Windows

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This article explains how to set up your E-Mail with encryption for Outlook 2003.

Note that only Outlook 2003 SP2 and later support STARTTLS for outgoing mailservers (SMTP). Earlier versions will not work. You can find what version you have by going to Help → About Microsoft Outlook.

Step 1: Gather mailserver info

Your Welcome E-Mail contains almost all the information that you need to set up your E-Mail account. Ensure that you have all of the following information available:
[A] E-Mail account (this is your full USER@DOMAIN.TLD E-Mail address)
[B] E-Mail Server address (IP, resolvable server hostname, or domain name)
E-Mail account password (what you set up when you created the mailbox)

Here is an example of the above info:
E-Mail Account:
E-Mail Server:
Passsword: secret.

Step 2: Open setup wizard

When Outlook is initially started, it will prompt you to add a new E-Mail account. If it does not, do the following:
Click on the Tools - >E-Mail Accounts drop-down menu from the standard toolbar. You may need to click the Down Arrow to see E-Mail Accounts

Step 3: Manually set up server

A new window will appear. Select Add a new e-mail account

Step 4: Account Type

Select IMAP as the account type

Step 5: General Settings

Note: This is the Account Settings from Outlook 2007. Your form may look a bit different but the settings are all the same for each field. We already specified that the server is IMAP in the previous step.

Use the info that you gathered in Step 1 to complete the form. For reference:
[A] = Your full E-Mail address
[B] = The address of the mailserver
When done, click [1]“More Settings”

General account settings

Step 5: More Settings - Outgoing Server

Select the “Outgoing Server” tab.
Check the box – “My outgoing server (SMTP) requires authentication”
Select “Use same settings as my incoming mail server”

More Settings - Outgoing Server

Step 6: More Settings - Advanced

For the Incoming Mail Server, check the box for This server requires an encrypted connection (SSL)
For the Outgoing Mail Server, check the box for This server requires an encrypted connection (SSL)
For the Outgoing Mail Server, set the port to 25. If you have issues sending E-Mail, try changing the port to 587. Some ISPs block outgoing E-Mail on port 25.

The following errors are safe to ignore. The login details box generally indicates that you typed an incorrect username or password. You can update your E-Mail password in SiteWorx by going to Hosting Features → Mail → Mailboxes and clicking “Edit” next to the account to update the password.

You can generally ignore the SSL certificate warning which may, on occasion, come up. The connection is still encrypted. “Target principal name” errors can safely be ignored since all this means is that the name on the certificate doesn't match the domain name that you're connecting to.


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