New csf v4.75

Changes:

• Added a [block] section to the Login Failure alert.txt template. This new report template will be copied to /etc/csf/alert.txt.new on existing installations, rename it to alert.txt to use it
• Modified existing lfd alerts to use currently used tags instead of appending block information to the IP address (alert.txt modified as above)
• Added new options trigger for RT_LOCALHOSTRELAY_* to csf.conf for email sent via a local IP addresses, separating the trigger from RT_LOCALRELAY_* which is now only for /usr/sbin/sendmail. See csf.conf for more information
• Added Relay Tracking to Direct Admin running exim. See RT_* and SMTPRELAY_LOG in csf.conf for more information
• Added csf.mignore to allow ignoring of specified usernames or local IP addresses from RT_LOCALRELAY_ALERT
• Modified csf UI to use a single dropdown for all lfd ignore files
• Added proftpd regex matching for “UseReverseDNS on” in proftpd config