diff --git a/helpers/get-transporter.js b/helpers/get-transporter.js
index 4d509c028e..1f16eb91d9 100644
--- a/helpers/get-transporter.js
+++ b/helpers/get-transporter.js
@@ -148,6 +148,8 @@ async function getTransporter(connectionMap = new Map(), options = {}, err) {
 
   const isPooling = typeof err === 'undefined' && truthSource;
 
+  // TODO: may need to pass custom `getSocket` option if `isPooling`
+
   const transporter = nodemailer.createTransport({
     ...transporterConfig,
     pool: isPooling,