| MailMill COM 1.0 Documentation |
| Constant | Value | Meaning |
|---|---|---|
| mmSignNo | 0 | Do not digitally sign the message. |
| mmSignClear | 1 | Digitally sign the message in clear mode. Message can still be read by mail clients that are not compatible with S/MIME. |
| mmSignOpaque | 2 | Digitally sign the message in opaque mode. Message cannot be read by mail clients that are not compatible with S/MIME. |