Merge pull request #500 from sparcs-kaist/#499-fix-mail-not-sent

#499 [Bug] 메일 전송 안됨

Author: kmc7468

src/modules/email.js

@@ -15,6 +15,9 @@ class NodemailerTransport {
       host: "smtp-relay.gmail.com",
       secure: false,
       port: 587,
+      tls: {
+        rejectUnauthorized: false,
+      },
     });
   }