The reference object for this parameter <b>AS2 (Applicability Statement 2)</b> is a specification about how to transport data securely and reliably over the Internet. Security is achieved by using digital certificates and encryption. <p> The AS2 protocol is based on HTTP and S/MIME. It was the second AS protocol developed and uses the same signing, encryption and MDN (as defined by RFC3798) conventions used in the original AS1 protocol introduced in the late 90s by IETF. In other words: <li>Files are encoded as "attachments" in a standardized S/MIME message (an AS2 message).</li> Give a name to this configuration so it can be later referenced by config-ref. Configurable url server Sender sends un-encrypted data and does not request a receipt Specify which configuration to use for this invocation. AS2 client to send a stream AS2 client to receive a stream subject for this message the content type of object to send Sender sends un-encrypted data and request an unsigned receipt. Receiver sends back the unsigned receipt (Sync) Specify which configuration to use for this invocation. AS2 client to send a stream AS2 client to receive a stream subject for this message the content type of object to send Sender sends un-encrypted data and request an unsigned receipt. Receiver sends back the unsigned receipt (Mode Async) Specify which configuration to use for this invocation. AS2 client to send a stream AS2 client to receive a stream subject for this message receiver to send notification (examples: http://localhost:8000, mailto:mule@mule.org) the content type of object to send