There is an option in the Verizon Wireless community to follow a question and all its answers. You will probably have to go online using a computer and deselect the appropriate question you are following.
You can also set a filter to send all of these messages to trash.
When you're signed in, click on your user name at the upper right of this page. Then click on "Edit Preferences" in the right sidebar. Set all e-mail notifications to "Off."