News & Advice

Most UK small businesses do not need a paid DMARC service. This guide explains when SPF, DKIM and DMARC are enough, and when monitoring tools make sense.

SPF, DKIM and DMARC help prove that messages sent in your business domain name are genuine. This practical checklist explains what each DNS record does and what UK small businesses should review before changing anything.

A bounced business email is evidence: the error message often points towards the cause. Learn how to read common bounce messages and check SMTP, authentication, domain, and DNS settings.