Why do they have a public discussion to justify their actions. If they choose to, fine but I do not see why they have too.<p>&gt; the web is not the browser<p>Actually yes, the web is the browser, or more correctly the browser is your interface to the web. HTTP&#x2F;HTTPS is the web, everything else is the Internet. Mozilla is focusing on providing a web experience, a SMTP client is not the web experience and they no longer wish to expend resources on it.