DKIM Explained: How Email Signing Builds (or Breaks) Sender Trust
SPF checks where an email came from. DKIM checks whether it arrived unchanged. They solve different problems, and DKIM only carries real weight when it’s paired with a valid SPF record too — the two are usually diagnosed together. What DKIM Actually Does DKIM (DomainKeys Identified Mail) attaches a digital signature to every outgoing email,…
