Auto block ALL IP’s indicated by Akismet?

Personally I highly recommend to not use IP blocks at .htaccess level. There are simply too many false positives possibilities for that to work reliably. I had encountered WP blogs (luckily wave of those seem to have faded) that just shut me out, accusing my IP of belonging to evil spamer… Static IP that belonged to me for years.

I especially don’t recommend to use Akismet as source of data. Your mileage may differ, but as commenter I had experienced so many false positives with Akismet that I will never touch it as blogger.

What I do recommend:

  • use spam filtering methods or sources you are 100% confident will not produce excessive amounts of false positives;
  • do not block out by IP, send matched IP to spam and display informational message about why it was blocked and your means of contact.