On Fri, Aug 12, 2016 at 10:49:59PM -0400, Stefan Monnier wrote: > I'm looking for a decentralized instant message system (e.g. XMPP, SIP, > ...) where I can be sure that I receive all messages, even if I'm not > connected when the message is sent [ Obviously, I'll only receive them > when I'm back online. ] I believe that's called "electronic mail" or "email".