diff --git a/src/user/system/CaptainManager.ts b/src/user/system/CaptainManager.ts
index 4fcf1ea..86b6a13 100644
--- a/src/user/system/CaptainManager.ts
+++ b/src/user/system/CaptainManager.ts
@@ -576,7 +576,7 @@ class CaptainManager {
                     if (netDataInfo.data.smtp) {
                         envVars.push({
                             key: 'SMTP_FROM',
-                            value: netDataInfo.data.smtp.to,
+                            value: netDataInfo.data.smtp.username,
                         })
                         envVars.push({
                             key: 'SSMTP_TO',