If you receive nuisance emails such as newsletters, marketing or social media updates which you do not wish to continue receiving but do not think pose a threat, you can block the sender or sender’s domain.

Blocking senders in Microsoft Outlook

The easiest way to block a sender in Microsoft Outlook is to right click on the email in your inbox and choose Junk from the dropdown list. However, you may also want to block multiple senders at once, or block a sender that you have not yet received an email from.
Follow the instructions below to do this with Microsoft Outlook.

• Click Home at the top of the screen and click on Junk icon in the menu bar.
• Click on Junk Email Options from the drop down list
• Select the Blocked Senders tab from the top ribbon of the window that appears on screen
•  Click Add on the right side of the window
• Type the email address you wish to block and click OK
•  Repeat steps 4. & 5. to add more addresses you wish to block
• When you have finished, click OK at the bottom of the window

You can also use the same Blocked Senders tab to remove a sender from your blocked senders list if you have added them in error.

• In the Blocked Senders tab, highlight the email address you wish to remove and click Remove. You can highlight and remove more than one email address at once
•  Repeat step 1. to remove more addresses
• When you have finished, click OK at the bottom of the window

Blocking senders with Outlook Web App (OWA)

The easiest way to block a sender in Outlook Web App (OWA) is to right click on the email in your inbox, select Report and then Report Junk from the dropdown list and a pop-up window will appear with the options – Report or Don’t report. Click on Report button. Alternatively, right click on the email in your inbox, select Move and then move it to Junk folder. However, you may also want to block multiple senders at once, or block a sender that you have not yet received an email from. Follow the instructions below to do this with Outlook Web App.

1. Click on the Settings icon at the top right of the screen
2. Click on View all Outlook settings at the bottom
3. Click on Junk email from the list on the left hand side which will open Blocked senders and domains window
4. Click the plus(+) icon or Add  on the Blocked senders and domains window
5. Type the email address you wish to block and press Enter on your keyboard and Save button will appear on the bottom of the window
6. Repeat steps 4. & 5. to add more addresses to block
7.  When you have finished, click Save at the bottom of the same window

You can also use the same Blocked Senders section to remove a sender from your blocked senders list if you have added them in error.

1.  In the Block Senders list, just click the Bin icon next to the relevant sender’s email address. You have to remove the users/senders one my one, if you wish to remove more than one user/sender.
2.  Repeat step 1. to remove more addresses
3.  When you have finished, click Save at the bottom of the window