A federal judge has declined to throw out a lawsuit accusing a collection agency of letting a man’s employer know it was seeking payment of a purported debt from him.In a written opinion last week, U.S. District Judge John Z. Lee did not rule on the merits of the argument that Rent Recover of Better NOI LLC ran afoul of federal law by faxing an “employment verification worksheet” to Ghazy Mahjub’s employer.But Lee held Mahjub is entitled to pursue a claim that Rent Recover violated Section 1692c(b …