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  5. Extending email security using S/MIME

Extending email security using S/MIME

You can extend email security for 
BlackBerry 10
, 
iOS
, and 
Android
 device users by enabling S/MIME. S/MIME provides a standard method of encrypting and signing email messages. Users can encrypt, sign, or encrypt and sign email messages using S/MIME protection when they use a work email account that supports S/MIME-protected messages on devices. S/MIME cannot be enabled for personal email addresses.
Users can store recipients' S/MIME certificates on their devices. Users can store their private keys on their devices or a smart card.
You enable S/MIME for users in an email profile. You can force 
BlackBerry 10
 device users to use S/MIME, but not 
iOS
 or 
Android
 device users. When S/MIME use is optional, a user can enable S/MIME on the device and specify whether to encrypt, sign, or encrypt and sign email messages. 
S/MIME settings take precedence over 
PGP
 settings. When S/MIME support is set to "Required," 
PGP
 settings are ignored.