add link to the anti phishing page

app/handler/dmarc.py

@@ -41,10 +41,13 @@ def apply_dmarc_policy_for_forward_phase(
         )
         changed_msg = add_header(
             msg,
-            f"""This email failed anti-phishing checks when it was received by SimpleLogin, be careful with its content.""",
+            f"""This email failed anti-phishing checks when it was received by SimpleLogin, be careful with its content.
+More info on https://simplelogin.io/docs/getting-started/anti-phishing/
+            """,
             f"""
         <p style="color:red">
-            This email failed anti-phishing checks when it was received by SimpleLogin, be careful with its content.
+            This email failed anti-phishing checks when it was received by SimpleLogin, be careful with its content. 
+            More info on <a href="https://simplelogin.io/docs/getting-started/anti-phishing/">anti-phishing measure</a>
         </p>
         """,
         )

templates/emails/transactional/message-quarantine-dmarc.html

@@ -8,8 +8,8 @@
   {% endcall %}
 
   {% call text() %}
-    An email from {{ from_header }} to {{ alias.email }} is put into Quarantine as it fails DMARC check.
-    DMARC is an email authentication protocol designed for detecting phishing.
+    An email from {{ from_header }} to {{ alias.email }} is put into Quarantine as it fails
+    <a href="https://simplelogin.io/docs/getting-started/anti-phishing/">anti-phishing measure</a> check.
   {% endcall %}
 
   {{ render_button("View the original email", refused_email_url) }}

templates/emails/transactional/message-quarantine-dmarc.txt.jinja2

@@ -1,8 +1,11 @@
 {% extends "base.txt.jinja2" %}
 
 {% block content %}
-  An email from {{ from_header }} to {{ alias.email }} is put into Quarantine as it fails DMARC check.
+  An email from {{ from_header }} to {{ alias.email }} is put into Quarantine as it fails anti-phishing check.
+
 
   You can view the email at {{ refused_email_url }}.
   This email is automatically deleted in 7 days.
+
+  More info about the anti-phishing measure on https://simplelogin.io/docs/getting-started/anti-phishing/
 {% endblock %}