> Google Wave was supposed to replace email. At least Wave was an open protocol including federation, even based on XMPP in fact. It maybe was the last thing b

> Google Wave was supposed to replace email. At least Wave was an open protocol including federation, even based on XMPP in fact. It maybe was the last thing before Google transitioned into a mostly walled garden. > Now you can't send email from your own server because it will be blacklisted on gmail by default and noone on gmail will receive these emails. I run a small mail server for some years now, no issues sending to gmail.