can I report someone for flaming via pm?

Best thing you can do is just block the user.

Just block them Manage Block List

...Someone Is Spamming My PM Box With PM's?
Nowhere! Use The Blocklist!


Taken from Where Do I Have To Report If..?


This post was edited by Termn8tin_Cobra on Jul 29 2011 08:20pm

check this: http://forums.d2jsp.org/topic.php?t=15393149&f=34
or simple: block him