If you have a Google Mail account, use this guide to find out how to mark PlayStation emails as safe.
1. Sign in to your account.

2. Click [Contacts] (located on the left).

3. Click the [New contact] logo.

4. Add the PlayStation email address into the text box.
5. Click [Save].

Find out how to adjust your email settings to ensure you receive emails from PlayStation.
Make sure PlayStation emails are reaching your inbox.
If you have an AOL email account, use this guide to find out how to mark PlayStation emails as safe.
If you have an MSN Hotmail email account, use this guide to find out how to mark PlayStation emails as safe.
If you have a Windows Live email account, use this guide to find out how to mark PlayStation emails as safe.
If you have a Yahoo! Mail account, use this guide to find out how to mark PlayStation emails as safe.