When it comes to Matrix, my problem with it is that it's just too damn big and complex compared to the actual problem I want it to solve and no doubt comes with

When it comes to Matrix, my problem with it is that it's just too damn big and complex compared to the actual problem I want it to solve and no doubt comes with a huge attack surface. In contrast, something like IRC or SMTP is so much simpler and we have multiple battle-tested implementations.