diff --git a/src/main/scala/gitbucket/core/util/Notifier.scala b/src/main/scala/gitbucket/core/util/Notifier.scala
index 24a883d34..25318994d 100644
--- a/src/main/scala/gitbucket/core/util/Notifier.scala
+++ b/src/main/scala/gitbucket/core/util/Notifier.scala
@@ -109,6 +109,7 @@ class Mailer(private val smtp: Smtp) extends Notifier {
     }
     smtp.ssl.foreach { ssl =>
       email.setSSLOnConnect(ssl)
+      email.setSslSmtpPort(smtp.port.get.toString)
     }
     smtp.fromAddress
       .map (_ -> smtp.fromName.getOrElse(context.loginAccount.get.userName))