Block Domain Yahoo Mail
Go to options mail options spam.
Block domain yahoo mail. Type the name or domain in the box and click add block. Yahoo mail lets you block emails from unwanted senders. When you block someone emails they send you never make it to your inbox. From the mail screen over to the right click options then mail options.
On the next screen click. Then select mail options. Go to yahoo mail in a web browser log in to your account and select the settings gear icon in the upper right corner of the window. Yahoo mail does not notify senders that you have blocked them.
Click settings on the top right click more settings on the bottom left in tiny letters its written switch to classic mail once on the old interface click on the account info drop down and then options and the blocked addresses under advanced options. Instead you can block an entire domain in yahoo effectively blocking all spammers at once. Step 1 log in to your yahoo account click the gear shaped icon and then select mail options to. To set up a block address list logon to your yahoo mail account and click on the optionslink under the searchbutton.