Procedure for sending encrypted e-mail (classic)
Press [Security].
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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 "Encrypting Data on the Machine", Security.