here is how to temporaryly shut down email to a user without loosing pagebuilder, favorites and even your saved emails. 
1) go to your primary user (the one at thetop of choose your name page) 
2) click on settings 
3) click on extra users 
4) click on the user you want to change 
5) choose can send email 
6) check the box that says BLOCK email 
7) click done 
follow your way back out to your home page. you have now turned off email to that user. your saved emails are fine but you cannot get to them at this time they are locked up tight until emai is turned back on to the user (to turn it back on REPEAT the above steps.) folow these instructions if its a SECONDARY user you want to block. if its your MAIN user you will need to call MSN/web tv and have them make a secondary user your main user and make the main user a secondary . then follow above directions.

    Source: geocities.com/seedytheteck