Please don't post in all capital letters. It is against Forum Guidelines.
Are you asking about recalling an email sent to the wrong email address? If so, there isn't any way to do that. There also is no way to cancel an email as it is sending.
I am not a Comcast employee. I am a fellow customer volunteering my time to help other customers here in the Forums. We ask that you post publicly so people with similar questions may benefit from the conversation. Was your question answered? Mark the post as best answer!