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 8e636fb2e2..97295aa7b5 100644
--- a/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php
+++ b/src/Appwrite/Platform/Modules/Project/Http/Project/SMTP/Update.php
@@ -102,6 +102,9 @@ class Update extends Action
                 $smtp[$key] = ${$key};
             }
         }
+        
+        // Backwards compatibility
+        $smtp['replyToEmail'] = $smtp['replyToEmail'] ?? $smtp['replyTo'] ?? '';
 
         // Ensure required fields are set
         $requiredKeys = ['host', 'port', 'senderEmail'];
diff --git a/src/Appwrite/Utopia/Response/Model/Project.php b/src/Appwrite/Utopia/Response/Model/Project.php
index e1909c4785..aef4927ad7 100644
--- a/src/Appwrite/Utopia/Response/Model/Project.php
+++ b/src/Appwrite/Utopia/Response/Model/Project.php
@@ -418,7 +418,7 @@ class Project extends Model
         $document->setAttribute('smtpEnabled', $smtp['enabled'] ?? false);
         $document->setAttribute('smtpSenderEmail', $smtp['senderEmail'] ?? '');
         $document->setAttribute('smtpSenderName', $smtp['senderName'] ?? '');
-        $document->setAttribute('smtpReplyToEmail', $smtp['replyToEmail'] ?? '');
+        $document->setAttribute('smtpReplyToEmail', $smtp['replyToEmail'] ?? $smtp['replyTo'] ?? ''); // Includes backwards compatibility
         $document->setAttribute('smtpReplyToName', $smtp['replyToName'] ?? '');
         $document->setAttribute('smtpHost', $smtp['host'] ?? '');
         $document->setAttribute('smtpPort', $smtp['port'] ?? '');