Go to Settings (top right hand corner of your screen), My removed posts, and follow the appeals procedure there.
If on appeal it's evident that many of your posts are being wrongly deleted then send a PM to Admin (via the "Contact us" option under Help at the bottom of the screen).
"It is difficult to get a man to understand something, when his salary depends upon his not understanding it."
Upton Sinclair
"Nobody ever went broke underestimating the intelligence of the American public."
H. L. Mencken