diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 0e2c05446..6cdbcc477 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -49,9 +49,9 @@ module ApplicationHelper
     raw %{<a href="#{h(url)}" #{attributes}>#{text}</a>}
   end
 
-  def format_text(text, options = {})
-    if options[:ragel]
-      raw(DTextRagel.parse(text))
+  def format_text(text, ragel: true, **options)
+    if ragel
+      raw DTextRagel.parse(text, **options)
     else
       DText.parse(text)
     end
diff --git a/app/views/user_mailer/dmail_notice.html.erb b/app/views/user_mailer/dmail_notice.html.erb
index fce085ff2..2256b87ef 100644
--- a/app/views/user_mailer/dmail_notice.html.erb
+++ b/app/views/user_mailer/dmail_notice.html.erb
@@ -1,10 +1,10 @@
 <!doctype html>
 <html>
 <body>
-<p><%= h @dmail.from.name %> said:</p>
+<p><%= @dmail.from.name %> said:</p>
 
-<div>
-  <%= DText.parse(@dmail.body) %>
+<div class="prose">
+  <%= format_text(@dmail.body, base_url: root_url) %>
 </div>
 
 <p><%= link_to "View message", dmail_url(@dmail, :host => Danbooru.config.hostname, :only_path => false) %> | <%= link_to "Unsubscribe", maintenance_user_email_notification_url(:user_id => @dmail.owner.id, :sig => email_sig(@dmail.owner), :host => Danbooru.config.hostname, :only_path => false) %></p>
