Email signature guides

Add a Promotional Banner — Showcase a campaign, event, or seasonal message under your signature.
Display Awards & Badges — Add trust signals like awards, certifications, or partner badges to your signature.
Upload and Size Your Logo — Get a crisp, properly proportioned logo that renders well everywhere.
Reorder Sections with Drag-and-Drop — Rearrange contact info, socials, banners and disclaimers in any order.
Undo and Redo Edits — Roll back changes safely with up to 50 steps of history.
Export Your Signature (HTML & PNG) — Get your signature into Gmail, Outlook, Apple Mail or slide decks.
Why Your Email Signature Looks Broken in Outlook — Outlook for Windows uses Microsoft Word to render HTML — here is why that breaks modern email signatures, and exactly how to fix each symptom.
Image Hosting for Email Signatures, Explained — Why you cannot just attach your logo, what HTTPS hosting actually means in this context, and the three reliable ways to host signature images for free.
Email Signature Legal Requirements Around the World — GDPR, CAN-SPAM, the UK Companies Act, and other rules that affect what your business email signature must include — explained in plain English.
Signature Sizing for Retina and High-DPI Displays — Why your logo looks crisp on your laptop but blurry on someone else's phone — and the simple rule that fixes it permanently.
Choosing Fonts That Actually Survive Email — Web fonts get stripped by most email clients. Here are the typefaces that render reliably everywhere — and how to make them feel less generic.
GDPR and Your Email Footer: What to Include and What to Skip — A practical guide to making your business email signature GDPR-friendly without burying recipients in legal text.
Designing Signatures That Read Well on Phones — Most signatures are designed on a 27-inch monitor and read on a 6-inch phone. Here are the rules that keep them legible everywhere.
A Short History of the Email Signature — From .signature files on Usenet to AI-generated brand assets — how the email signature became the unlikely visual identity of modern business.
Rolling Out Consistent Signatures Across a Small Team — How to get every teammate on the same signature design without enterprise IT, expensive SaaS, or chasing people in Slack.
Ten Email Signature Mistakes That Make You Look Amateur — A field guide to the most common signature mistakes, why each one undermines your message, and what to do instead.