{% extends "base.txt.jinja2" %} {% block content %} Hi Your email cannot be sent to {{contact.email}} from your alias {{alias.email}}. Can you please verify {{contact.email}} is a valid address? Usually this is because the DNS record of {{contact_domain}} does not exist. You can check its DNS record on any DNS checker websites, for example https://mxtoolbox.com/SuperTool.aspx {% endblock %}