diff --git a/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php b/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php
index ef2e478d96..81c4c49f87 100644
--- a/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php
+++ b/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php
@@ -121,7 +121,7 @@ class Update extends Action
         // Validate when the caller is explicitly enabling or hasn't expressed a preference
         // (so a credentials-only PATCH can auto-enable). Skip only when the caller is
         // explicitly keeping/turning SMTP off.
-        if (\is_null($enabled) || $enabled === true) {
+        if ((\is_null($enabled) || $enabled === true) && !empty($smtp['senderEmail'])) {
             $mail = new PHPMailer(true);
             $mail->isSMTP();