Doc: update mail admin

content/service/mailu/admin.md

@@ -13,8 +13,8 @@ On se rend sur <https://setup.mailu.io/2.0/> pour obtenir les paramètres recomm
 > `/srv/apps/mailu`
 > - __Main mail domain and server display name.__
 > `tedomum.net`
-> - Postmaster local part <small>_(par défaut)_</small>
-> `admin`
+> - __Postmaster local part__
+> `dmarc`
 > - Choose how you wish to handle security TLS certificates <small>_(par défaut)_</small>
 > `letsencrypt`
 > - Authentication rate limit per IP for failed login attempts […] <small>_(par défaut)_</small>
@@ -57,8 +57,8 @@ On se rend sur <https://setup.mailu.io/2.0/> pour obtenir les paramètres recomm
 > `☑`
 > - IPv6 listen address <small>_(par défaut)_</small>
 > `::1`
-> - Subnet of the docker network. This should not conflict with any networks […] <small>_(par défaut)_</small>
-> `fdf3:34af:1309:beef::/64`
+> - __Subnet of the docker network. This should not conflict with any networks […]__
+> `2001:41d0:d:33ec:224::/80`
 > - Enable an internal DNS resolver (unbound) <small>_(par défaut)_</small>
 > `☑`
 > - __Public hostnames__