Enabling SMTP Authentication

These instructions will walk you through enabling SMTP authentication in various mail clients. If your mail client is not listed please consult its documentation for enabling SMTP authentication.

Note: If you are using an SMTP server provided by your ISP it is you should leave your settings as they are. As changing the authentication settings may cause you to be unable to send mail.

Outlook 2007

1. Open Outlook 2007
2. From the Tools menu select Account Settings. The Account Settings box appears.
3. Verify that the E-mail tab is selected. Your email account appears, usually labeled mail.<your-domain.com>.
   
4. Click on the account to highlight it, and click on the Change icon above it. The Internet E-mail Settings appear.
5. Under the Server Information section, in the box marked Outgoing mail server (SMTP) verify that it has mail.<your-domain.com> in it.
   If it has a different address in it you should stop now and leave your settings as they are.
   
6. Click the button More Settings... in the lower right-hand corner. The Internet Email Settings box appears.
7. Click on the tab Outgoing Server.
8. Click the check box My outgoing server (SMTP) requires authentication, and verify that Use same settings as my incoming mail server is selected.
9. Click OK to close the Internet Email Settings box.
10. Do not use the "Test Account Setting..." button to test the settings. This may fail.
11. Click the Finish button to close the Internet E-mail Settings box. Click the Close button to close the Account Settings box.  SMTP authentication has now been enabled.

1. Open your mail program.
2. From the Tools menu select Accounts. The Internet Accounts box appears.
3. Click on the mail account to highlight it, then click the Properties button on the right. The mail account properties appear.
4. Select the Servers tab.
5. Under the Server Information section, in the box marked Outgoing mail server (SMTP) verify that it has mail.<your-domain.com> in it.
   If it has a different address in it you should stop now and leave your settings as they are.
   
6. Under the Outgoing Mail Server section check the box My server requires authentication and click the Settings.. button.  The Outgoing Mail Server box appears.
7. Select the circle  Log on using and in the Account name field enter your email address, and then enter the password for this email account.
8. Check the box Remember password  
9. Click OK to close the Outgoing Mail Server box.  Click OK to close the Properties box.  Click the Close button. SMTP authentication has now been enabled.

Outlook XP/2000/2003

1. Open Outlook. 
2. From the Tools menu, select Email Accounts. The Email Accounts box appears.
3. Verify that  View or change existing email accounts is selected and click Next
4. Click on your email account, usually labeled  mail.<your-domain.com>, and click the Change Internet Email Settings appear. button on the right. The
5. Under the Server Information section, in the box marked Outgoing mail server (SMTP) verify that it has mail.<your-domain.com> in it.
   If it has a different address in it you should stop now and leave your settings as they are.
6. Click the button More Settings... in the lower right-hand corner.  The Internet Email Settings box appears.
7. Click the Outgoing Server tab.
8. Click the circle-box My outgoing server (SMTP) requires authentication, and verify that the circle-box Use same settings as my incoming mail server is selected.
9. Click OK to close the Internet Email Settings box. 
10. Do not use the "Test Account Setting..." button to test the settings. This may fail.
11. Click the Finish button to close the Email Accounts box.  SMTP authentication has now been enabled.

1. Open Thunderbird Mail. From the Tools menu select Account Settings. The Account Settings box appears.
2. In the white area on the left, select the entry Outgoing Server (SMTP). The Outgoing Server (SMTP) Settings appear on the right.
3. In the Server Name box verify that it has mail.<your-domain.com> in it.
   If it has a different address in it you should stop now and leave your settings as they are.
4. Verify that the Use name and password box is checked. Click on the box to check it, if it is not checked.
5. In the User Name box enter your email address.
6. Click the OK button on the bottom. Authentication has now been enabled. Please note, you will be prompted for your password the first time that you send email. Be sure to check the box Use Password Manager to remember the password, to avoid having to enter it every time that you send email.