To block an email on AOL, there are a few different methods depending on the platform being used.

For the desktop how to block email on AOL , follow these steps:

Open AOL Mail in a browser and click "Options" in the upper-right corner of the web page, just under your email address.
Click "Block Senders" from the left-hand menu.
Enter the email address you want to block, and click the "+" icon to add it to the blocked senders list.
Click "Save Settings". [1][4][5]
To block emails on the AOL mobile app, follow these steps:

In the AOL mobile app, tap an email from a sender you want to block.
Tap the three-dot menu at the bottom-right of the screen and then select "Block Sender".
Confirm that you want to block this sender by tapping "OK" on the pop-up message. [3]
To block images in emails on AOL, follow these steps:

Open your email account and click "Options" in the upper-right corner of the web page, just under your email address.
Go to "Mail Settings" and select "General".
Select the "Hide images in mail from unknown senders" option in the Reading section.
Click "Save Settings". [2]