added tagfile and make use of it in modules

modules/conf_mail.sh

@@ -13,7 +13,7 @@
 #  * MAIL_RELAY: Name of the mail relay server
 # ------------------------------------------------------------------------------
 
-export VER_conf_mail="0.0.4"
+export VER_conf_mail="0.0.5"
 export DEP_conf_mail="upgrade_dist"
 
 conf_mail()
@@ -21,11 +21,17 @@ conf_mail()
     prnt I "Installation de postfix..."
     pkginst postfix
 
+    local pfmain="/etc/postfix/main.cf"
+
     prnt I "Configuration de postfix..."
-    installfile postfix/main.cf /etc/postfix/main.cf
+    installfile postfix/main.cf $pfmain
+    tagfile $pfmain
     sed -i -e "s/@HOSTNAME@/$HOSTNAME/" -e "s/@REALM@/$REALM/" \
-        -e "s/@MAIL_RELAY@/$MAIL_RELAY/" /etc/postfix/main.cf
+        -e "s/@MAIL_RELAY@/$MAIL_RELAY/" $pfmain
+
+    tagfile /etc/mailname
     echo $HOSTNAME.$REALM > /etc/mailname
+
     svc_restart postfix
 }