How to restrict emails in Mozilla Thunderbird

Steps to follow:
• First, you have to open your PC and next, you need to check it is connected to the
secured internet connection. Now you have to visit login page and you need to
enter your credentials in order to access your mailbox.
• Next, you need to press on “Tools” at the top of Mozilla Thunderbird screen and
then, you have to click “Messages Filters” from its drop-down list.
• Once you do so, you have to click on “New” button in order to make a new filter
rule.
• After that, you’ll need to enter a name from your filter in its blank box, there you
have to press on tabs that are under “Apply filter when” section so that they read
“From” “is,” and enter an email address and you wish to block in its blank box.