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Module 1: Google Apps Education Edition > Chapter 3: Customize Google Apps for your school
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Postini Message Security for Google Apps provides additional security features and controls for Google Apps Gmail.
For an additional cost (given at a 66% educational discount), you can also upgrade your service to Message Discovery, which provides an archive of all email messages for your domain. Learn more about message discovery »
The guide linked below shows you how to use Postini Message Security to meet common needs for Google Apps Education Edition customers, including:
- Email policies just for students: Set up different user organizations, such as groups of students, faculty, or IT administrators, and apply specific email policies.
- Blocking external mail to your students: Allow only internal or specified user to send mail to users in your Google Apps domain, therefore blocking external senders from mailing your users.
- Limiting messages your students can send: Help limit students from sending mail outside of your Google Apps domain.
- Blocking certain types of message attachments: Filter messages that contain specific file attachments, such as MP3 or movie files.
- Email signatures for all your students or faculty: Set up a standard email footer for outbound mail for your users.
- Limiting exposure to quarantined junk messages: Turn off the Quarantine Summary, which is the daily message sent to users that lists their messages quarantined by the Postini service. The Quarantine Summary shows the titles of messages (you may not want your students to see titles of junk messages) and allows users to deliver quarantined
To activate the Postini Message Security service, follow these steps:
- In your Google Apps control panel Dashboard page, under Service Settings, click Add more services, and choose Postini services to get started with the service and begin your activation.
- During activation, your email is delivered as usual with no interruption, and the activation wizard guides you through the process step-by-step. Your users are automatically added and synchronized with the service, and your activation automatically sets up default settings that work well for most organizations.
- After activation, you can customize these settings for your users, create content and attachment policies, and more.
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