diff --git a/conf/systemd.service b/conf/systemd.service
index 5c0b92a..5739658 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -22,20 +22,24 @@ Environment=ADMIN_PASS=__PASSWORD__
 Environment=ADMIN_EMAIL=__EMAIL__
 Environment=OVERWRITE_SETTING_Show_Setup_Wizard=completed
 
-Environment=LDAP_Enable: 1
-Environment=LDAP_BaseDN: ou=users,dc=yunohost,dc=org
-Environment=LDAP_Host: localhost
-Environment=LDAP_Reconnect: 1
-Environment=LDAP_Port: 389
-Environment=LDAP_Authentication: 1
-Environment=LDAP_Username_Field: uid
-Environment=LDAP_Default_Domain: {{ ldap_domain }}
-Environment=LDAP_Unique_Identifier_Field: uid
-Environment=LDAP_User_Search_Filter: (objectclass=inetOrgPerson)
-Environment=LDAP_User_Search_Scope: sub
-Environment=LDAP_User_Search_Field: uid
-Environment=LDAP_Accounts_RegistrationForm: 1
+Environment=LDAP_Enable:1
+Environment=LDAP_BaseDN:ou=users,dc=yunohost,dc=org
+Environment=LDAP_Host:localhost
+Environment=LDAP_Reconnect:1
+Environment=LDAP_Port:389
+Environment=LDAP_Authentication:1
+Environment=LDAP_Username_Field:uid
+Environment=LDAP_Unique_Identifier_Field:uid
+Environment=LDAP_User_Search_Filter:(objectclass=inetOrgPerson)
+Environment=LDAP_User_Search_Scope:sub
+Environment=LDAP_User_Search_Field:uid
+Environment=LDAP_Accounts_RegistrationForm:1
 
+Environment=SMTP_Host:localhost
+Environment=SMTP_Port:25
+#Environment=SMTP_Username:
+#Environment=SMTP_Password:
+Environment=From_Email:rocketchat@__DOMAIN__
 
 [Install]
 WantedBy=multi-user.target