The way you advertise your plugin, I concluded you create email forwards.

While it does absolutely not.

You should stay it clearly before people pay for it.

https://www.ads-software.com/extend/plugins/wp-vanity-email/

I installed this to test it out, and the widget doesn’t show up in my widget list, so it is impossible to use.

It also gives this error at the top of the settings page:
Notice: Undefined index: posted in /Users/jake/Sites/wordpress/wp-content/plugins/wp-vanity-email/wp-vanity-email.php on line 628

https://www.ads-software.com/extend/plugins/wp-vanity-email/