app/views/user/wrong_user_unknown_email.html.erb
<p id="sign_in_reason" class="sign_in_reason">
<%= _("{{reason}}. Unfortunately we don't know the FOI email address for that " \
"authority, so we can't validate this. Please <a href=\"{{url}}\">" \
"contact us</a> to sort it out.",
:reason => @reason_params[:web],
:url => help_contact_path.html_safe) %>
</p>