The Mail app on Apple iOS devices has built-in S/MIME capabilities and can therefore be used to exchange S/MIME encrypted mail with users managed by Encryption Management Server.
However, email apps with S/MIME support on Android are far more rare. This makes it difficult for Android users to exchange S/MIME encrypted messages with users managed by Encryption Management Server.
The CipherMail Email Encryption app for Android works in conjunction with Android email apps such as the Gmail app and allows users to send S/MIME encrypted messages and decrypt S/MIME encrypted attachments. It cannot be used to receive email and it does not replace or modify the email app with which you are familiar.
Before you can use CipherMail you will need to have already done the following:
CipherMail will need to trust the Organization Certificate from the Encryption Management Server. First, the Organization Certificate needs to be downloaded to the Android device. There are several ways to do this:
Whichever method you use to obtain the Organization Certificate, it will be stored in the Downloads folder on the Android device. To import it into CipherMail:
CipherMail can be configured to find internal user S/MIME certificates from a remote Encryption Management Server running the Keyserver service using LDAP. To configure the LDAP connection on CipherMail, do the following:
To find and import the S/MIME certificate of a user managed by Encryption Management Server, do the following:
To send an encrypted message do the following:
To decrypt a message do the following: