Email Security - Part 3: DKIM
DKIM is an email security protocol that adds a digital signature to every message you send. It’s one of the key tools—alongside SPF and DMARC—that helps protect your domain from spoofing, phishing, and fraud.

Email Security - Part 2: SPF
SPF or Sender Policy Framework is an important tool against spam and email spoofing. Read this post to learn how SPF can help protect you, if you're not using it already.
