Did a teacher send naked photo of himself to students?

A LEWD photo purportedly by a teacher in Malaysia, showing himself in a buff, has been circulated by a student. The teacher was said to have sent the disgusting photo of himself to several students.
According to a Tweet, the teacher targeted several students with his photo despite him being not well endowed. She urged other users to re-tweet the post so that it would go viral and the wayward teacher would be get his just deserts.
The original Tweets and Facebook postings had been deleted, but reactions to them still exist.