#exchangeonline

  1. How to enable MTA-STS in Office 365

    SMTP MTA Strict Transport Security (MTA-STS) is a relatively young protocol that allows you to signal the use of trusted certificates when encrypting electronic mail during SMTP transmission. The transmission of electronic mail uses so-called opportunistic encryption. The client s
  2. How to secure your email with SPF, DKIM and DMARC

    Email credibility and deliverability go hand in hand and are usually important to a company's business. No company probably wants its emails to fall into spam or quarantine. How to ensure the best email deliverability? Set up SPF, DKIM and DMARC. How to set this up for emails in O