Block a domain in Outlook on the webmail?

Content
  1. Block domains with blocked senders or email rules
  2. Domain lock in Outlook Mail on the web
  3. Domain blocking in Outlook Mail on the web using filters

Block domains with blocked senders or email rules

Outlook Mail on the web makes it easy to block messages from individual senders in your inbox. For even more effective spam blocking, ban entire domains as well.

The instructions in this article apply to Outlook.com and Outlook Online.

Domain lock in Outlook Mail on the web

To make Outlook Mail on the web reject messages from all email addresses in a specific domain:

  1. Select Settings (gear icon ⚙️).

  2. Select View all Outlook settings .

  3. Select mail > spam .

  4. In chapter Blocked senders and domains select To add .

  5. Enter the name of the domain you want to block, then click Enter to add the domain to the list.

    The domain name appears after the @ in an email address. For example, if the recipient: [email protected] the domain is customercompany.com .

  6. Select Save and then close the dialog Settings .

  7. When you receive an email from this domain, it is automatically forwarded to the Junk Email folder.

Domain blocking in Outlook Mail on the web using filters

To set up a rule that automatically deletes certain emails, such as all emails from a domain that cannot be blocked using the blocked senders list, in Outlook Mail on the web:

  1. Select Settings .

  2. Select View all Outlook settings .

  3. Select mail > Rules .

  4. Select Add new rule .

  5. Give the rule a name and then click the drop-down arrow Add condition and choose The sender’s address includes: .

  6. In a text field Fill in all or part of the address enter the domain you want to block.

  7. Select drop-down arrow Add action and choose Mark as junk .

  8. Optionally, to specify conditions that prevent email from being deleted, even if it comes from a blocked domain (or sender), select Add an exception and then select By .

  9. Enter the email address you want to allow.

  10. Select Save to finish.

  11. Close the dialog Settings .

Any email from the domain you defined in the rule will automatically go to the Junk Email folder. Only the email addresses you entered in the exclusions are allowed in your mailbox and will not be forwarded to the Junk Email folder.

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