A lightweight SMTP server written in Go, made for receiving large volumes of mail. To be used as a package in your Go project, or as a stand-alone daemon by running the "guerrillad" binary. Supports MySQL and Redis out-of-the-box, with many other vendor provided processors, such as MailDir and even FastCGI! It's an SMTP server written in Go, for the purpose of receiving large volumes of email. It started as a project for GuerrillaMail.com which processes millions of emails every day, and needed...