A message format specification for use with distributed applications.
The current version of this specification is: UMF/1.4.6, which introduces the signature field for message signing.
UMF is licensed under the Open Source The MIT License (MIT) and authored by Carlos Justiniano (cjus34@gmail.com) This specification is hosted on Github at: https://github.com/cjus/umf/blob/master/umf.md