Category Email

DKIM – Why you need it

DKIM (DomainKeys Identified Mail) is an email authentication mechanism that lets a sending domain sign an email. Think of DKIM as a tamper-evident seal on an email envelope. If someone opens it and messes with the contents, the seal is broken, and the fraud…

Protect your reputation with SPF

You’ve just receive an email from a client saying: “Thanks — we’ve paid the invoice to the new bank account as instructed.” Super. No. Wait. What? You never sent them an email. Fuck! What happened? This type of attack is known…