To resubscribe to Pushpage: 

As the user:
  1. Log in and click your name in the upper right corner > Settings
  2. Select Notifications 
  3. Scroll down to Bulk E-Mail.
  4. Check the box to the right of Bulk E-Mail to SUBSCRIBE to Bulk E-Mail (Pushpages), or if this is already enabled...
  5. Select the lists you'd like to re-subscribe to


As a Platform Manager:
  1. Navigate to Core > People Finder
  2. Search/select your user
  3. Click their Settings tab
  4. On the right under Notification Settings, scroll down to Bulk E-Mail
  5. Check the box to the right of Bulk E-Mail to SUBSCRIBE the user to Bulk E-Mail (Pushpages), or if this is already enabled...
  6. Select the lists you'd like to re-subscribe the user to