diff --git a/src/yunohost/domain.py b/src/yunohost/domain.py
index 913b7868e..52660bc48 100644
--- a/src/yunohost/domain.py
+++ b/src/yunohost/domain.py
@@ -110,7 +110,7 @@ def domain_add(auth, domain, dyndns=False):
 
         # Don't regen these conf if we're still in postinstall
         if os.path.exists('/etc/yunohost/installed'):
-            service_regen_conf(names=['nginx', 'metronome', 'dnsmasq'])
+            service_regen_conf(names=['nginx', 'metronome', 'dnsmasq', 'postfix'])
             app_ssowatconf(auth)
 
     except:
@@ -162,7 +162,7 @@ def domain_remove(auth, domain, force=False):
     else:
         raise MoulinetteError(errno.EIO, m18n.n('domain_deletion_failed'))
 
-    service_regen_conf(names=['nginx', 'metronome', 'dnsmasq'])
+    service_regen_conf(names=['nginx', 'metronome', 'dnsmasq', 'postfix'])
     app_ssowatconf(auth)
 
     hook_callback('post_domain_remove', args=[domain])