Function getLowerDomainFromEmail

apps/web/src/lib/utils.ts:223–225

(email: string)

  const plusIndex = local.indexOf('+');
  if (plusIndex !== -1) {
    local = local.slice(0, plusIndex);
  }

  // Gmail and Googlemail are the same mailbox; normalize dots and domain
  const isGmail = domain === 'gmail.com' || domain === 'googlemail.com';
  if (isGmail) {