diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index b56869cea1..b4d5c395cd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -38,6 +38,11 @@
 	// This is used in the prebuilds - so dotnet build (nuget restore and node stuff) is done
 	"updateContentCommand": "dotnet build umbraco.sln",
 	"portsAttributes": {
+		"5000": {
+			"label": "SMTP4Dev",
+			"protocol": "http",
+			"onAutoForward": "notify"
+		},
 		"9000": {
 			"label": "Umbraco HTTP",
 			"protocol": "http",
@@ -46,7 +51,7 @@
 		"44331": {
 			"label": "Umbraco HTTPS",
 			"protocol": "https",
-			"onAutoForward": "notify"
+			"onAutoForward": "openBrowser"
 		}
 	}