Improving the maintainability, auditability and effectiveness of your SPF policy using SPF macros.
Monday 11th May 2020
Using Certificate Authority Authorisation (CAA) to restrict the Certificate Authorities that are permitted to issue certificates for your domain.
Thursday 13th February 2020
Implementing the new MTA-STS specification and adding your domain to the STARTTLS-Everywhere list to help secure inbound email transport.
Friday 27th December 2019
A look at the security.txt draft specification.
Tuesday 26th December 2017