diff --git a/Changes.md b/Changes.md
index 94dc8cca4..54cb5167c 100644
--- a/Changes.md
+++ b/Changes.md
@@ -4,6 +4,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ### Unreleased
 
+
+- fix(outbound): in outbound hook_delivered, when mx.exchange contains
+  an IP, use mx.from_dns
+
 ### [3.0.5] - 2024-09-27
 
 #### Fixed
diff --git a/outbound/hmail.js b/outbound/hmail.js
index 677b65575..65626da9e 100644
--- a/outbound/hmail.js
+++ b/outbound/hmail.js
@@ -598,10 +598,10 @@ class HMailItem extends events.EventEmitter {
             if (success) {
                 const reason = response.join(' ');
 
-		let hostname = mx.exchange
-		if (net.isIP(hostname) && mx.from_dns && !net.isIP(mx.from_dns)) {
-			hostname = mx.from_dns
-		}
+                let hostname = mx.exchange
+                if (net.isIP(hostname) && mx.from_dns && !net.isIP(mx.from_dns)) {
+                    hostname = mx.from_dns
+                }
 
                 self.delivered(host, port, (mx.using_lmtp ? 'LMTP' : 'SMTP'), hostname,
                     reason, ok_recips, fail_recips, bounce_recips, secured, authenticated);