!S/MIME
!S/MIME Opaque
!korttituki
|-
|'''Apple Mail'''
|bgcolor='lightgreen' text-align='center'|on
|
|bgcolor='tomato'|ei [https://bugs.kde.org/show_bug.cgi?id=116201 bugi]
|-
|'''Outlook'''
|
|bgcolor='lightgreen'|on
|
|-
|'''Thunderbird'''
|38
|Linux
|
|
|bgcolor='lightgreen'|on
|
|bgcolor='lightgreen'|pkcs11
|-}