From af3738924e6f56377b1a1df6a117b09c19ce68bf Mon Sep 17 00:00:00 2001
From: Nawaz Dhandala <hello@nawazdhandala.com>
Date: Thu, 22 Jan 2026 20:57:18 +0000
Subject: [PATCH] feat(MailService): add debug logging for SMTP and SendGrid
 email responses

---
 .../Notification/Services/MailService.ts      | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/App/FeatureSet/Notification/Services/MailService.ts b/App/FeatureSet/Notification/Services/MailService.ts
index b596c45cbb..b1bd582f5f 100755
--- a/App/FeatureSet/Notification/Services/MailService.ts
+++ b/App/FeatureSet/Notification/Services/MailService.ts
@@ -433,12 +433,16 @@ export default class MailService {
     try {
       for (let attempt: number = 1; attempt <= maxRetries; attempt++) {
         try {
-          await mailer.sendMail({
+          const sendMailResponse = await mailer.sendMail({
             from: `${options.emailServer.fromName.toString()} <${options.emailServer.fromEmail.toString()}>`,
             to: mail.toEmail.toString(),
             subject: mail.subject,
             html: mail.body,
           });
+
+          logger.debug("SMTP Email Provider Response:");
+          logger.debug(JSON.stringify(sendMailResponse, null, 2));
+
           return; // Success, exit the function
         } catch (error) {
           lastError = error;
@@ -652,7 +656,20 @@ export default class MailService {
           emailLog.fromEmail = sendgridConfig.fromEmail;
         }
 
-        await SendgridMail.send(msg);
+        const sendgridResponse = await SendgridMail.send(msg);
+
+        logger.debug("SendGrid Email Provider Response:");
+        logger.debug(
+          JSON.stringify(
+            {
+              statusCode: sendgridResponse[0]?.statusCode,
+              headers: sendgridResponse[0]?.headers,
+              body: sendgridResponse[0]?.body,
+            },
+            null,
+            2,
+          ),
+        );
 
         if (emailLog) {
           emailLog.status = MailStatus.Success;