diff --git a/packages/server/src/services/system.service.ts b/packages/server/src/services/system.service.ts
index 0f0157d9..b9bb65db 100644
--- a/packages/server/src/services/system.service.ts
+++ b/packages/server/src/services/system.service.ts
@@ -93,6 +93,9 @@ export class SystemService {
         user: emailConfig.user,
         pass: emailConfig.pass,
       },
+      tls: {
+        rejectUnauthorized: false,
+      },
     });
 
     return new Promise((resolve, reject) => {