Add chasquid to the Email/MTA section

README.md

@@ -323,6 +323,7 @@ _Simple deployment of a mail server, e.g. for inexperienced or impatient admins.
 
 _MTAs / SMTP servers_
 
+- [chasquid](https://blitiri.com.ar/p/chasquid/) - SMTP (email) server with a focus on simplicity, security, and ease of operation. ([Source Code](https://blitiri.com.ar/git/r/chasquid/)) `Apache-2.0` `Go`
 - [Courier MTA](http://www.courier-mta.org/) - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. ([Source Code](http://www.courier-mta.org/repo.html)) `GPL-3.0` `C`
 - [Exim](https://www.exim.org/) - Message transfer agent (MTA) developed at the University of Cambridge. ([Source Code](http://git.exim.org/exim.git)) `GPL-3.0` `C`
 - [Haraka](http://haraka.github.io/) - High-performance, pluginable SMTP server written in Javascript. ([Source Code](https://github.com/haraka/Haraka)) `MIT` `Javascript`