Serial Experiment #2: SPAM your ISP today!
finally, i got a response from all those forwarded emails....

Dear Sir/madam,
Thank you for notifying SingNet of an Internet-abuse (spamming)
incident.
We had managed to trace the spammer and action in accordance with the
SingNet AUP has been taken.
Regards,
Phay S N
Network Security Team (NST)

thus the score now is:
singnet 1 - the rest 0