fix purge script

README.md

@@ -1,6 +1,8 @@
 # Trash-email-alias
 A dovecot sieve 's script and configuration to generate a temporary random alias.
 
+Read more on my blog (french) https://blog-du-grouik.tinad.fr/post/2017/01/18/Alias-mail-temporaire
+
 # Usage
 Just send an email to the configured em-mail generator. It will respond you and indicate what is your alias.
 You can test it by sending a mail to [ getalias Arobaze tinad.fr ].
@@ -47,6 +49,8 @@ On /etc/dovecot/dovecot.conf my plugin section looks like:
 	(...)
       }
 
+Copy this repo's files where they're needed ;)
+
 Change your mysql credentials on  cron/purge.sh and execute/genalias.sh
 In my case, this files are owned by the unix user "dovecot".
 

cron/purge.sh

@@ -8,15 +8,15 @@ MYSQLUSER="postfix"
 MYSQLPWD="******"  
 LOGGERPATH="/usr/bin/logger"
 LOGFILE="/var/log/genalias.log"  
-
+DOMAIN="tinad.fr"
 TTL="3600"  
 
 $MYSQLPATH -u $MYSQLUSER -p$MYSQLPWD $MYSQLDB<< EOF  
   UPDATE alias
   SET active='0'  
-  WHERE DOMAIN='tinad.fr'
+  WHERE DOMAIN='$DOMAIN'
   AND active = '1'  
-  AND created < (UNIX_TIMESTAMP() - $TTL)
+  AND modified > (UNIX_TIMESTAMP() - $TTL)
   AND temporary='1';  
 EOF