How to Block an Email in Gmail Account? Open Your Favorite Browser. Go to Gmail.com Log in with Your User Name and Password. Click the “Gear” icon on the Right Side of the Page and Click “Settings” from the Drop-Down Menu. Click on the “Filters” Tab. Click “Create a New Filter” Link. Enter the Email Address you Want to Block in the From Field and Click the “Create a Filter With this Search” option. Select the “Delete it” Option. Click the “Create Filter” Button. The Email Address is Now Blocked in Gmail Account.