diff --git a/seed/applicationservice/2022.03.08/postfix-relay/dictionaries/20_postfix.xml b/seed/applicationservice/2022.03.08/postfix-relay/dictionaries/30_postfix.xml
similarity index 95%
rename from seed/applicationservice/2022.03.08/postfix-relay/dictionaries/20_postfix.xml
rename to seed/applicationservice/2022.03.08/postfix-relay/dictionaries/30_postfix.xml
index a9ff87f7..72c6201e 100644
--- a/seed/applicationservice/2022.03.08/postfix-relay/dictionaries/20_postfix.xml
+++ b/seed/applicationservice/2022.03.08/postfix-relay/dictionaries/30_postfix.xml
@@ -11,7 +11,7 @@
       <file engine="none">/etc/postfix/master.cf</file>
       <file>/etc/pki/ca-trust/source/anchors/ca_MailServer.crt</file>
       <file>/etc/pki/tls/certs/postfix.crt</file>
-      <file source="sni.pem" file_type="variable" mode="400" owner="postfix" variable="domain_name_eth">postfix_pem_files</file>
+      <file source="sni.pem" file_type="variable" mode="400" variable="domain_name_eth">postfix_pem_files</file>
       <file owner="root" group="postfix" mode="440">/etc/pki/tls/private/postfix.key</file>
     </service>
     <service name="saslauthd">
@@ -32,6 +32,9 @@
     </service>
   </services>
   <variables>
+    <variable name="external_ports" redefine="True">
+      <value>25</value>
+    </variable>
     <family name="postfix" description="Postfix mail server">
       <variable name="postfix_mail_hostname" type="domainname" description="Nom de domaine extérieur du serveur de courriel" mandatory="True"/>
       <variable name="postfix_relay_domains" type="domainname" description="Domaine de courriel généré localement" multi="True"/>
diff --git a/seed/applicationservice/2022.03.08/postfix-relay/funcs/opendkim.py b/seed/applicationservice/2022.03.08/postfix-relay/funcs/opendkim.py
index d907bf2b..b222ea87 100644
--- a/seed/applicationservice/2022.03.08/postfix-relay/funcs/opendkim.py
+++ b/seed/applicationservice/2022.03.08/postfix-relay/funcs/opendkim.py
@@ -16,14 +16,16 @@ _DKIM_DIR = _join(_HERE, 'pki/dkim')
 
 def get_dkim_key(domain_name_eth0, domain):
     dkim_dir = _join(_DKIM_DIR, domain_name_eth0, domain)
-    dkim_file_src = _join(dkim_dir, f'{domain}')
+#    dkim_file_src = _join(dkim_dir, f'{domain}')
     dkim_file_key = _join(dkim_dir, f'{domain}.key')
     dkim_file = _join(dkim_dir, f'{domain}.dns')
     if not _isfile(dkim_file):
         if _isdir(dkim_dir):
             _rmtree(dkim_dir)
         _makedirs(dkim_dir)
-        priv_key = _dknewkey.GenEd25519Keys(dkim_file_src)
-        _dknewkey.ExtractEd25519PublicKey(dkim_file_key, priv_key)
+        priv_key = _dknewkey.GenRSAKeys(dkim_file_key)
+        _dknewkey.ExtractRSADnsPublicKey(dkim_file_key, dkim_file)
+#        priv_key = _dknewkey.GenEd25519Keys(dkim_file_key)
+#        _dknewkey.ExtractEd25519PublicKey(dkim_file_src, priv_key)
     with open(dkim_file_key, 'r') as fh:
         return fh.read().strip()
diff --git a/seed/applicationservice/2022.03.08/postfix-relay/templates/SigningTable b/seed/applicationservice/2022.03.08/postfix-relay/templates/SigningTable
index bf0df9db..2def8ddc 100644
--- a/seed/applicationservice/2022.03.08/postfix-relay/templates/SigningTable
+++ b/seed/applicationservice/2022.03.08/postfix-relay/templates/SigningTable
@@ -24,5 +24,5 @@
 
 #example.com default._domainkey.example.com
 %for %%domain in %%postfix_relay_domains
-%%domain default._domainkey.%%domain
+*@%%domain default._domainkey.%%domain
 %end for
diff --git a/seed/applicationservice/2022.03.08/postfix-relay/templates/main.cf b/seed/applicationservice/2022.03.08/postfix-relay/templates/main.cf
index e383cdaa..070470c1 100644
--- a/seed/applicationservice/2022.03.08/postfix-relay/templates/main.cf
+++ b/seed/applicationservice/2022.03.08/postfix-relay/templates/main.cf
@@ -350,6 +350,17 @@ mynetworks = 172.0.0.0/8
 #
 #relay_domains = $mydestination
 #>GNUNUX
+%set %%relay = %%set()
+%for %%domain in %%lmtp.server_lmtp
+  %set %%name=%%normalize_family(%%domain)
+  %for %%lst in %%lmtp['lmtp_' + name]['criteria_' + %%name]
+    %if '@' in %%lst
+      %set %%lst = %%lst.split('@')[1]
+    %end if
+%%relay.add(%%lst)%slurp
+  %end for
+%end for
+relay_domains = %echo ', '.join(%%relay)
 %if %%lmtp.server_lmtp
 transport_maps = hash:/etc/postfix/lmtp
 %end if