Almost two years ago, UGent implemented anti spam measures that reduced the amount of spam messages in my UGent email account considerably from 20 something each day to zero. But recently the daily amount of spam that reaches my inbox is growing again in an unfavorable way:
The logs of my (drupal powered) website show a lot of referer spam. Some time ago I had this statistics page which contained a listing of the last 10 pages my site's visitors came from (aka referers). Soon spambots found out and spammed this list. I made the list invisible …