SPF, DKIM and DMARC: stopping people sending email as your business
Nothing in email stops someone putting your domain in the From line. Three DNS records fix that. What each one does, how to roll them out…
Practical write-ups on the things small businesses actually run into. Email authentication, website hardening, and the fixes that are cheaper than the incident.
Written for owners and office managers rather than for other security people. No vendor pitches, no scare tactics, and every recommendation explained well enough that you could hand it to whoever does your IT.
Nothing in email stops someone putting your domain in the From line. Three DNS records fix that. What each one does, how to roll them out…
Most small sites are not targeted. They are found by a scanner looking for something it already knows how to exploit. Five fixes that remove most…