Better integration of spamdyke 4.3.1. This version supports the header-flag keyword blacklist of spamdyke. To use the blacklist the following entry must be set in the spamdyke.conf:

header-blacklist-file=/var/qmail/spamdyke/blacklist_headers

Important: This blacklist is supported since spamdyke 4.3.1 if you set the entry on a lower version of spamdyke will not run anymore.

The Plesk Event-Handler was also improved.