Add debug message

email_handler.py

@@ -2089,6 +2089,8 @@ def send_no_reply_response(mail_from: str, msg: Message):
             "Auto: {}".format(msg[headers.SUBJECT] or "No subject"),
             render("transactional/noreply.text.jinja2"),
         )
+    else:
+        LOG.d("Unknown sender. Skipping reply from {}".format(NOREPLY))
 
 
 def handle(envelope: Envelope, msg: Message) -> str:

templates/emails/base.html

@@ -482,7 +482,7 @@
                     {% block footer %}
                     {% endblock %}
                   </p>
-
+                  <p class="f-fallback sub align-center" style="font-size: 13px; line-height: 1.625; text-align: center; color: #A8AAAF; margin: .4em 0 1.1875em;" align="center">Do you have a question? Contact us at <a href="https://app.simplelogin.io/dashboard/support">https://app.simplelogin.io/dashboard/support</a></p>
                 </td>
               </tr>
             </table>

templates/emails/transactional/yahoo-transactional-complaint.txt.jinja2

@@ -1,3 +1,6 @@
+{% extends "base.txt.jinja2" %}
+
+{% block content %}
 Hi,
 
 This is SimpleLogin team.
@@ -17,6 +20,4 @@ If somehow Yahoo considers a forwarded email as Spam, it helps us if you can mov
 Please don't put our emails into the Spam folder. This can end up in your account being disabled on SimpleLogin.
 
 Looking to hear back from you.
-
-Best,
-SimpleLogin Team.
+{% endblock %}