
Every couple of months, one of my users falls prey to phishing attacks, and send their login/password data to an unknown somebody who poses as… Well, as me, their always-friendly and always-helpful systems administrator. What follows is, of course, me spending a week trying to get our systems out of all of the RBLs/DNSBLs. But, no matter how fast I act, there’s always distruption and lost mails (bounced or classified as spam) for my users. Most of my users use the Webmail I have configured on our institute’s servers, Roundcube, for which I have the highest appreciation. Only that… Of...