diff --git a/content/5.users.md b/content/5.users.md
index 63e9a07..cb01bb4 100644
--- a/content/5.users.md
+++ b/content/5.users.md
@@ -15,3 +15,4 @@ Haraka is used by many large scale email providers. If you are using Haraka in a
 * <a href="http://mirusresearch.com/">Mirus Research - Address simplification/forwarding services</a>
 * <a href="https://threatwave.com/">ThreatWave - Hidden insights and data from email - over 150 million emails a day</a>
 * <a href="https://duckduckgo.com/email/">DuckDuckGo Email Protection</a>
+* <a href="https://maildax.com/">Maildax - Temporary Email</a>