Currently, I use a simple Go client [1] and a self-hosted XMPP-server (ejabberd). In fact, I don't know what the Google servers require, but due to the federate

Currently, I use a simple Go client [1] and a self-hosted XMPP-server (ejabberd). In fact, I don't know what the Google servers require, but due to the federated nature of XMPP (similar to e-mail), I think it would be best to create a generic version rather than one for a specific service. [1]: https://github.com/arendtio/xmppsend https://github.com/arendtio/xmppsend