The Internet provides the perfect forum for cyberbullies, individuals whose aim is to gain gratification from the distress caused by provoking and tormenting others.
Flame mail is an email whose contents are designed to inflame and enrage.
Serial bullies, whose behaviour profile you'll find in full at Bully OnLine , harbour a lot of internal aggression which they direct at others. This may include projection and patronising sarcasm whilst contributing nothing of any value. This is standard bully-speak which I've experienced on several forums. In every case it's a fabrication or a distortion - usually the former. It's purpose is to wind people up.