diff --git a/wheezy/95_alternc.conf b/wheezy/95_alternc.conf
index 8cda78d0..c4d66687 100644
--- a/wheezy/95_alternc.conf
+++ b/wheezy/95_alternc.conf
@@ -9,6 +9,8 @@
 
 protocols = imap pop3 sieve
 
+default_process_limit = 1000
+
 ## -------------------------------------------------------------------------
 ## 10-auth
 
@@ -189,12 +191,22 @@ protocol imap {
   # list of plugins to load.
   mail_plugins = quota imap_quota 
   #mail_plugin_dir = /usr/lib/dovecot/modules/imap
+  mail_max_userip_connections = 500
 }
 
 service imap {
-  executable = /usr/lib/alternc/popimap-log-login.sh /usr/lib/dovecot/imap
+  executable = imap imap-postlogin
+  vsz_limit = 512M
 }
 
+service imap-postlogin {
+	executable =   script-login /usr/lib/alternc/popimap-log-login.sh
+  # the script process runs as the user specified here (v2.0.14+):
+#  user = $default_internal_user
+  # this UNIX socket listener must use the same name as given to imap executable
+  unix_listener imap-postlogin {
+  }
+}
 
 # ----------------------------------------------------------------------------
 # 20-managesieve.conf