![Mimecast Email Mimecast Email](https://www.wsd.k12.az.us/cms/lib/AZ50000448/Centricity/Domain/14/Screen%20Shot%202019-06-23%20at%204.48.04%20PM.png)
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Once you receive this email, decide whether to Release, Permit or Block the sender/message.
Release - Allow the email to enter your inbox.
Permit - Always accept email from this sender.
Block - The sender will be added to your block list.
Once you choose an option Mimecast will forward the email to your Office 365 inbox.