app-MAIL-temp/templates/emails/transactional/spoof-reply.html

{% extends "base.html" %}

{% block content %}

  {% call text() %}
  <h1>
    Unauthorized attempt to send an email to {{ contact.email }} from your alias <b>{{ alias.email }}</b> using
    <b>{{ sender }}</b> has been blocked.
  </h1>
{% endcall %}

{% call text() %}
To protect against <b>email spoofing</b>, only your mailbox can send emails on behalf of your alias.
SimpleLogin also refuses emails that claim to come from your mailbox but fail DMARC.
{% endcall %}

{% call text() %}
Best,
<br />
SimpleLogin Team.
{% endcall %}

{% endblock %}