How to block an email address in Gmail
1. First, navigate to your uap.asia mail or Gmail inbox, and open an email from the sender you would like to block.
2. In the upper-right corner of the email — on the same horizontal plane as the sender’s name and address — is an icon made up of three vertically stacked dots. Click on the Dots icon to open a drop-down menu.
3. Select Block [Sender’s Name], from the drop-down menu.
4. Select Block