Much Ado About Certificates

In 2026, the certificate landscape will shift dramatically as the governing body reduces public TLS certificate lifetimes to 47 days, starting with a milestone of 200 days in March. This change emphasizes the importance of trust in certificates, which range from self-signed, internal, to public, each serving different purposes in managing trust and security.

10 Commandments of Email Delivery

A light-hearted but accurate guide to the 10 Commandments of Email Deliverability — covering SPF, DKIM, DMARC, DNS alignment, and why respecting the rules of this distributed system keeps your messages out of Spam.