Adjust mailing list link

Author: tkuhn

index.html

@@ -185,7 +185,7 @@ <h2>Contact</h2>
 <container>
 
 <column>
-<p>We will soon have more to tell you about. Please <a href="mailto:knowledgepixels+subscribe@googlegroups.com?subject=auto-subscribe&body=Sending%20this%20email%20will%20automatically%20subscribe%20you.">subscribe</a> if you would like to receive notifications.</p>
+<p>We will soon have more to tell you about. Subscribe to our <a target="_blank" href="https://groups.google.com/g/knowledgepixels/">mailing list</a> if you would like to receive notifications.</p>
 <p>Knowledge Pixels AG<br />
 Zeughausstrasse 31<br />
 8004 Zurich<br />