Secure Messaging in Mimecast is a service that encrypts email with sensitive information such as Social Security numbers and Driver's license. It also encrypts financial information based on the context of the email.
Encryption is applied automatically based on the information placed in the email. There is no special tool like Outlook to apply it. The recipient will receive an email that should give access to the encrypted email(image is subject to change):
For Internal emails, you will just need your email address as SSO(Single Sign On) is enabled for the entire organization.
For external recipients, they will have to create a portal account by clicking the orange-highlighted text using their email address and a password that is created by the recipient.
This is the email created for the following emails after the initial one(Image is subject to change):
If any adjustment needs to be made for Secure Messaging parameters, please submit a ticket on it.cioccaautomotive.com