The official in charge of monitoring insurer solvency at the Massachusetts Division of Insurance sent an internal e-mail this spring warning that the rates the division imposed on health plans "have no actuarial support" and could lead to "a train wreck" in the industry. The internal exchange, made public by insurance regulators after the Associated Press requested the disclosure, came as six health insurance carriers in Massachusetts were challenging the rate caps in Suffolk Superior Court and in administrative hearings at the Insurance Division.
