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Star Rush Report

Outlook 2016 & 2013: Block Email Addresses and Domains?

Author

Jessica Wilkins

Published Apr 24, 2026

Answer

Outlook 2016 and 2013 will block email addresses and domains in the to, cc, bcc, and subject fields when you send or receive email. If you need to send an email to a blocked address or domain, you can add the address or domain as a contact in Outlook.

Outlook 2016 & 2013: Block Email Addresses and Domains

How to Block Domain and Email address in Microsoft Exchange 2016 On-prem

How do I block emails from certain domains in Outlook?

Open Outlook and click the “File” tab.
Click “Options.”
Click the “Mail” tab.
Under “Blocking Rules,” select the email address you want to block and click the “Block” button.
To unblock an email address, select it and click the “Unblock” button.

Can you block all emails from certain domains?

There is no one-size-fits-all answer to this question, as the blocking method and list of blocked domains will vary depending on the email filtering policies of your organization. However, some common methods for blocking emails from specific domains include using a whitelist or blacklist, using filters in your email client, or using a spam blocker that also blocks emails from specific domains.

How do I block multiple domains in Outlook?

To block multiple domains in Outlook, follow these steps:
Open Outlook and click the File tab.
Click Options.
Under the Email section, click Blocking preferences.
In the Block domain list box, select the domains you want to block.
Click OK to save your changes.

How do I block unwanted emails in Outlook 2013?

Outlook 2013 offers three ways to block unwanted emails: You can add a rule that blocks all emails from a specific sender, you can add a rule that blocks all emails with a certain subject, or you can add a rule that sends the email to your Junk Email folder.

Should I block sender or block domain?

Blocking sender is typically the easier and more common option. Blocking a domain can be more difficult, but it can help protect your account from spam and phishing attacks.

How do I stop emails from going to a domain?

There are a few ways to stop emails from going to a domain:
Use filters in your email client.
Use a spam blocker.
Set up email forwarding.
Use a domain blocking service.

Can you block an email address in Outlook?

Yes. Outlook allows you to block an email address by creating a filter that blocks messages from that address.

What happens if you block a domain?

Blocking a domain will prevent you from accessing any of the content on that domain.

How do I block a domain in Outlook 2016?

To block a domain in Outlook 2016, follow these steps:
Open Outlook 2016.
Click File, Options.
Click the Advanced tab.
In the Email Security section, click Blocking Domains.
In the Add a Domain dialog box, enter the domain you want to block and click OK.

How do I whitelist an email address in Outlook?

To whitelist an email address in Outlook, open the “Outlook” application and select the “Preferences” menu. Under the “Email” tab, click on the “Add…” button and enter the email address you wish to whitelist. Select the “Whitelist this address” checkbox and click on the OK button.

How do I know if my Outlook domain is blocked?

To determine if your Outlook domain is blocked, you can use the following steps:
Open Outlook and sign in.
Click the File tab and select Options.
Under the General tab, click the Security button.
On the Security page, under Active Protection Filters, click the Blocked Domains list.

Can you block an email address?

Yes, you can block an email address on Gmail. To do this, open the email that you wish to block and click the three lines in the top right corner of the window. Under “Settings” on the left side of the window, select “Filters.” In the “Filters” window, under “Blocked senders,” click the “Add a sender” button.

Is it better to block or delete spam?

Blocking spam is better for your email account, but deleting spam can help reduce your email clutter.

How do I permanently block Spam in Outlook?

There are a few ways to permanently block spam in Outlook. The easiest way is to use the Junk Email Filter. You can also use the Block All Mail feature, or create a filter for specific types of mail.

Why am I still getting emails from blocked senders outlook?

Blocked senders Outlook can still send you emails if they’ve been whitelisted by your email provider. Blocked senders Outlook are only prevented from sending you email if your email provider has specifically blocked them.