Email [Edited]

The concern is not "Home Security Devices And Equipment" help related. Topic moved here to the proper help section for assistance. 

@user_ae4nx4 

Did you check to see if they are going to the Spam folder?  If it's not that---------------

Call Comcast security. They handle any blocking issues-----------------------

Comcast Customer Security Assurance-------------------

Normal business hours (6:00 am to 2:00 am EST, 7 days a week) 1 - 888-565-4329

Good afternoon @user_ae4nx4. Are you getting an error message or any kind of bounce back email?