diff --git a/Python/etc/postfix/main.cf b/Python/etc/postfix/main.cf
index a713e4f..e6f8fc7 100644
--- a/Python/etc/postfix/main.cf
+++ b/Python/etc/postfix/main.cf
@@ -172,7 +172,7 @@ if not mx:
 @# TLS pour la reception
 smtpd_tls_cert_file = "/etc/ssl/certs/smtp.pem"
 smtpd_tls_key_file = "/etc/ssl/private/smtp.pem"
-smtpd_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
+smtpd_tls_CAfile = "/etc/ssl/certs/root.pem"
 smtpd_tls_loglevel = 0
 smtpd_use_tls = True
 smtpd_tls_received_header = True
@@ -180,7 +180,7 @@ smtpd_tls_received_header = True
 @# On utilise aussi TLS pour envoyer les mails
 smtp_tls_cert_file = ""
 smtp_tls_key_file = ""
-smtp_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
+smtp_tls_CAfile = "/etc/ssl/certs/root.pem"
 smtp_tls_loglevel = 1
 smtp_use_tls = True
 
@@ -237,7 +237,7 @@ if public:
     add("check_policy_service inet:127.0.0.1:2501")
 @# jette le reste
 
-@# Tailles maximales : 4Mo pour les msgs et 75 pour les mbox
+@# Tailles maximales : 20Mo pour les msgs et 75 pour les mbox
 message_size_limit = 20971520
 mailbox_size_limit = 78643000
 
diff --git a/Python/etc/postfix/master.cf b/Python/etc/postfix/master.cf
index 2c0c06e..d167c3b 100644
--- a/Python/etc/postfix/master.cf
+++ b/Python/etc/postfix/master.cf
@@ -130,6 +130,7 @@ if main:
     @  -o fallback_relay=
 @showq     unix	n	-	-	-	-	showq
 @error     unix	-	-	-	-	-	error
+@retry     unix  -       -       -       -       -       error
 @discard   unix  -       -       -       -       -       discard
 @local	  unix	-	n	n	-	-	local
 @virtual	  unix	-	n	n	-	-	virtual