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Uwe Boll is often referred to as the worst filmmaker in the world.

This seems to pain Boll, a gregarious 42-year-old German whose latest, “Postal,” opens Friday. So he has shared the pain with critics, literally, challenging several to a series of boxing matches in 2006. Boll, a former boxer who is responsible for the “Bloodrayne” movies, thumped them handily.

But what he really wants is respect.

A Web site called stopuweboll.org has a petition demanding that he stop making movies. The petition had drawn only 18,000 names until last month, when Boll told the horror-movie Web site fearnet.com that he would quit making films if a million people signed. With his own version of “bring it on,” the list has now grown to more than a quarter of a million.

Why play along? “I have to live with it,” Boll said with an unhappy smirk. “It’s better to make fun with it,” as an alternative to “being depressed, sitting at home, slowly crying.”