Let's be honest: Stackoverflow April fools' style was EPIC and it's a shame it ended so fast. Let revive it with this Chrome Extension and, of course, the code is taken from Stackoverflow itself.
MailCarrier is an open-source, self-hosted platform to design emails thanks to a powerful template engine, send them through a powerful APIs and collect logs of already sent emails. It ships with authorization out-of-the-box, all powered by Laravel.
MailCarrier