The SMTPMailAttachmentSignatureService allows an application to send a single email attachment and a digital signature.

The SMTPMailAttachmentSignatureService supports the following commands:

• 5.29.1 SERVICE_LOAD
• 5.29.2 SERVICE_GET
• 5.29.3 SET
• 5.29.4 RESET
• 5.29.5 SEND
• 5.29.6 SERVICE_UNLOAD