Enabling SMTP authentication

Expertise level: Easy

Enabling SMTP authentication with a third-party mail client will ensure your mail client will connect to your server. Here are the instructions fort Outlook 2003, Outlook Express and Mac Mail. 

Outlook 2003

  1. From the Tools menu, select E-mail Accounts.
  2. Select View or change existing e-mail accounts and click Next.
  3. Select the email account and click Change.
  4. Click More Settings.
  5. On the Outgoing Server tab, check My outgoing server requires authentication.
  6. Select Use same settings as my incoming mail server and click OK.

Outlook Express

  1. From the Tools menu, select Accounts.
  2. Select the email account and click Properties.
  3. On the Servers tab, check My server requires authentication and click Settings.
  4. Select Use same settings as my incoming mail server and click OK.

Mac Mail

  1. From the Mail menu, click Preferences.
  2. From Outgoing Mail Server (SMTP) dropdown, select Add Server. If the mail server has already been added, click Server Settings.
  3. Set Authentication to Password.
  4. Enter the Outgoing Mail server information:
    • Outgoing Mail Server: mail.domainname.xyz
    • Server Port: 25
    • Authentication: choose Password from the dropdown
    • User Name: the email address used to log into the webmail interface
    • Password: the password for the email address
  5. Click OK.


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