Added SCL & Lang to Newsletters

README.md

@@ -550,7 +550,7 @@ _Related: [Databases](#databases), [Monitoring](#monitoring)_
 
 *Newsletter software.*
 
-- [DadaMail](http://dadamailproject.com/) - Mailing List Manager, written in Perl.
+- [DadaMail](http://dadamailproject.com/) - Mailing List Manager, written in Perl. ([Source Code](https://sourceforge.net/projects/dadamail/files/)) `GPL-2.0` `Perl`
 - [Lewsnetter](https://github.com/bborn/lewsnetter) - E-mail marketing application (create and send e-mail newsletter via SES). Includes subscription management, delivery, bounce and complaint notification, templates, and some stats.
 - [LibreMailer](https://github.com/averna-syd/LibreMailer) - Libre Mailer is a modest and simple web based email marketing application.
 - [phpList](https://www.phplist.com/) - Newsletter manager written in PHP.