iPhone

1. Go to your iPhone Settings -> Privacy -> Contacts -> HulloMail -> OFF

      - This immediately revokes access to your contacts form the HulloMail app.

2. Using the HulloMail app, select Menu -> Account -> Caller Info -> OFF

      - These are immediately removed from the HulloMail service.

Android

1. Go to your Android Settings -> Apps -> HulloMail -> Permissions -> Contacts -> OFF

      - This immediately revokes access to your contacts form the HulloMail app.

2. Using the HulloMail app, select Menu -> Settings -> Account -> Caller Info -> OFF

      - These are immediately removed from the HulloMail service.