DKIM

Articles tagged "DKIM" from the kant.au team.

16 July 2026

DMARCbis is Here. Your Clients’ DMARC Records Need a Second Look.

The DMARC spec your clients’ records were written against stopped being current in May 2026. RFC 9989, known as DMARCbis, officially replaced RFC 7489, the document that has defined DMARC since 2015. If you set up a client’s DMARC record any time in the last decade, it was written against the old spec. That doesn’t […]

5 July 2026

Your Emails Are Landing in Spam. You Found Out From a Client.

A client emails to say their invoices have been going to spam for two weeks. You check the domain. The SPF record looks fine on the surface, but a third-party tool was added three months ago and nobody updated the policy to include it. Every email sent from that tool has been failing authentication checks, […]