Category: 'RFC'

Using SPF Macros to Solve the Operational Challenges of SPF

Improving the maintainability, auditability and effectiveness of your SPF policy using SPF macros.

Monday 11th May 2020

Security RFC Guide

Restricting Who Can Issue Certificates for Your Domain with CAA

Using Certificate Authority Authorisation (CAA) to restrict the Certificate Authorities that are permitted to issue certificates for your domain.

Thursday 13th February 2020

Security TLS RFC

Securing Inbound Email Transport with MTA-STS and STARTTLS-Everywhere

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

Security TLS RFC

security.txt Internet Draft

A look at the security.txt draft specification.

Tuesday 26th December 2017

Security RFC