Menandatangani atau mengenkripsi pesan
After you have added your certificate, you can sign or encrypt a message by selecting Options ▸ S/MIME Sign or S/MIME Encrypt from the message composer menu or clicking the corresponding toolbar icon.
The Subject line of the message will not be encrypted and should not be used for sensitive information.
Agar setiap pesan ditandatangani atau dienkripsi:
Select Edit ▸ Preferences ▸ Mail Accounts.
Pilih akun surel untuk mengenkripsi pesan.
Klik Sunting.
Klik tab Keamanan.
In the Secure MIME (S/MIME) section, click Select next to Signing Certificate and specify the path to your signing certificate, or click Select next to Encryption Certificate and specify the path to your encryption certificate.
Pilih opsi yang sesuai.
Klik OK.