diff --git a/yunohost_tools.py b/yunohost_tools.py
index b296fb4a..699d1e3e 100644
--- a/yunohost_tools.py
+++ b/yunohost_tools.py
@@ -253,6 +253,8 @@ def tools_postinstall(domain, password, dyndns=False):
                 os.system('touch /etc/yunohost/light')
             else:
                 os.system('service dspam stop')
+                os.system('update-rc.d dspam remove')
+                os.system('sed -i "s/yes/no/g" /etc/default/dspam')
                 os.system('apt-get install -y -qq samba yunohost-config-amavis')
                 os.system('service amavis start')
                 os.system('apt-get install --reinstall -y -qq yunohost-config-postfix yunohost-config-dovecot')