Function normalizeMailboxLabel

microsoft-email.js:56–58

(mailbox = 'INBOX')

  }

  function normalizeMailboxLabel(mailbox = 'INBOX') {
    return /^junk(?:\s*e-?mail|\s*email)?$/i.test(String(mailbox || '').trim()) ? 'Junk' : 'INBOX';
  }

  function normalizeMailboxId(mailbox = 'INBOX') {
    return normalizeMailboxLabel(mailbox) === 'Junk' ? 'junkemail' : 'inbox';