Add email reply link to RSS

themes/v2/layouts/_default/rss.xml

@@ -64,7 +64,10 @@
       <pubDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</pubDate>
       {{- with $authorEmail }}<author>{{ . }}{{ with $authorName }} ({{ . }}){{ end }}</author>{{ end }}
       <guid>{{ .Permalink }}</guid>
-      <description>{{ .Content | transform.XMLEscape | safeHTML }}</description>
+      <description>
+        {{ $mailTo := printf "<p><a href=\"mailto:%s?subject=%s\">✍️  Reply by email</a></p>" $authorEmail .Title }}
+        {{ printf "%s%s" .Content $mailTo | transform.XMLEscape | safeHTML }}
+      </description>
     </item>
     {{- end }}
   </channel>