diff --git a/scripts/auh-config/upgrade-helper.conf b/scripts/auh-config/upgrade-helper.conf
index 6255f3f..3a0aa6c 100644
--- a/scripts/auh-config/upgrade-helper.conf
+++ b/scripts/auh-config/upgrade-helper.conf
@@ -9,7 +9,7 @@ blacklist=linux-libc-headers linux-yocto alsa-utils-scripts build-appliance-imag
 # only recipes belonging to maintainers in whitelist will be attempted
 #maintainers_whitelist=anibal.limon@linux.intel.com
 # SMTP server
-smtp=mail.yoctoproject.org:25
+smtp=localhost:25
 # from whom should the mails arrive
 from=auh@yoctoproject.org
 # who should get the status mail with statistics, at the end