Sending Encrypted E-mail
Use the following procedure to specify a destination for which encryption is configured, and encrypt and send an e-mail.
Destinations for which encryption can be configured for each transmission are indicated by this symbol .
Destinations for which e-mails are always encrypted are indicated by this symbol . When you specify a destination denoted by the symbol, encrypted e-mail will be sent regardless of the setting specified in [Security].
Press [Security].

Press [Encryption].
Press [OK].
Encrypting e-mail will increase its size.
If you have selected multiple destinations including destinations for which encryption has not been configured, e-mail sent to such destinations will not be encrypted even if you specify encryption.
If you selected [Store to HDD
Send], the e-mail will be encrypted, but the stored file will not be encrypted. For details about encrypting stored files, see User Guide of your device.