What 39 Signature Templates Reveal About Professional Design — An original analysis of 39 email signature templates: how often each contact field appears, which layouts dominate, how colour and typography are actually used, and what the averages tell you about building your own signature.
A Complete History of the Email Signature (1982–2026) — The signature block is older than the World Wide Web. This is the story of how it evolved from a Unix convention into a legal document, a marketing surface, and now a computed identity artefact.
Why Outlook Still Breaks Your Signature in 2026 (Deep Technical Dive) — A working-engineer's explanation of why Microsoft Outlook renders HTML email using Microsoft Word's engine, what that means for your signature, and the specific techniques we use in SignatureCraft to make signatures survive.
Signature Analytics: What Tracking Actually Reveals About Your Emails — A grounded look at what signature-level analytics actually reveal — the useful signals, the misleading vanity metrics, and the privacy shifts that have broken most of the industry's measurement assumptions since 2022.