How to Send and Receive Encrypted Email using ILEncrypt

The State of Illinois uses the Cisco Secure Email Encryption Service (formerly called the Cisco Registered Envelope Service) to send and receive encrypted email. Encrypted emails from State staff will have #ILEncrypt# in the subject line.

The first time you receive an encrypted message through this service, you will need register. You will only need to complete this process once:

Register for Cisco Secure Email Encryption Service

When you receive an encrypted email, it will say "This is a secure message" and provide instructions to open a "securedoc" attachment to read it. In the example below, the "securedoc" attachment shows in the upper right, but it may appear in different locations in different email programs (wherever attachments normally appear).

After you open the attachment, if you don't already have a Cisco Secure Email Encryption Service account, it will ask you to register.

When you click Register, you will be taken to to enter your name and create a password.

After you enter your information, the system will send you an email with a link to activate your account.

Read & Reply to Encrypted Email

Once you have registered, you will be able to log in to the Cisco Secure Email Encryption Service.

Once you log in, you will be able to read encrypted emails online.

To reply to an encrypted email, click the reply icon (curved arrow) to the right of the subject. Your reply will automatically be encrypted.

Send a New Encrypted Email to

Before you can send a new encrypted email from a email account, you will need to have to have someone send you an email using #ILEncrypt# and follow the steps to register above. Once you have registered, you can send encrypted email by going to

Once you log in, you will be able to compose and send encrypted email.

Note that you can only send Cisco Secure Email to registered users of the service, including anyone with an email account.

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