diff --git a/homeassistant/components/smtp/notify.py b/homeassistant/components/smtp/notify.py
index f63ce6d2ab8f..4f887ae3b448 100644
--- a/homeassistant/components/smtp/notify.py
+++ b/homeassistant/components/smtp/notify.py
@@ -321,13 +321,17 @@ class MailNotificationService(SmtpClient, BaseNotificationService):
                 break
             except SMTPServerDisconnected:
                 _LOGGER.warning(
-                    "SMTPServerDisconnected sending mail: retrying connection"
+                    "SMTPServerDisconnected sending mail: retrying connection",
+                    exc_info=_LOGGER.isEnabledFor(logging.DEBUG),
                 )
                 with suppress(SMTPException):
                     mail.quit()
                 mail = self.connect()
             except SMTPException:
-                _LOGGER.warning("SMTPException sending mail: retrying connection")
+                _LOGGER.warning(
+                    "SMTPException sending mail: retrying connection",
+                    exc_info=_LOGGER.isEnabledFor(logging.DEBUG),
+                )
                 with suppress(SMTPException):
                     mail.quit()
                 mail = self.connect()