package backends import ( "errors" ) type RcptError error var ( NoSuchUser = RcptError(errors.New("no such user")) StorageNotAvailable = RcptError(errors.New("storage not available")) StorageTooBusy = RcptError(errors.New("storage too busy")) StorageTimeout = RcptError(errors.New("storage timeout")) QuotaExceeded = RcptError(errors.New("quota exceeded")) UserSuspended = RcptError(errors.New("user suspended")) StorageError = RcptError(errors.New("storage error")) )