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

The SMTPMailAttachmentSignatureService supports the following commands:

• 5.28.1 SERVICE_LOAD
• 5.28.2 SERVICE_GET
• 5.28.3 SET
• 5.28.4 RESET
• 5.28.5 SEND
• 5.28.6 SERVICE_UNLOAD