export type EmailVerificationOptions =
  ({ mxNotRequired: true, smtpNotRequired?: false, requireSmtpOrMx?: false } |
    { mxNotRequired?: false, smtpNotRequired: true, requireSmtpOrMx?: false } |
    { mxNotRequired?: false, smtpNotRequired?: false, requireSmtpOrMx: true } |
    { mxNotRequired?: false, smtpNotRequired?: false, requireSmtpOrMx?: false }) &
  { smtpConnectionTimeout?: number, useCache?: boolean }

export interface EnsuredEmailVerificationOptions {
  smtpNotRequired: boolean
  mxNotRequired: boolean
  requireSmtpOrMx: boolean
  smtpConnectionTimeout: number,
  useCache: boolean
}