If you had to put up a public facing webmail interface for people to use, and maintain it for the foreseeable future (5-6 years), what would you use?
Roundcube? https://roundcube.net/ Rainloop? http://www.rainloop.net/ Something else? Requirements: Needs to be open souce and GPL, BSD or Apache licensed Email storage will be accessed via IMAP/TLS1.2 Runs on a Debian based platform with apache2 or nginx Desktop browser CSS and mobile device CSS/HTML functionality on 4" to 7" size screens with Chrome and Safari
