Learn · email signature glossary
TL;DR
A mobile email signature is the signature appended to messages you send from a phone or tablet mail app. It is configured per app and per device, separately from your desktop or webmail signature, which is why so many professionals send polished branded email from a laptop and "Sent from my iPhone" from everywhere else. iOS Mail supports rich signatures pasted from an email, Gmail's mobile app keeps its own mobile signature setting distinct from the web one, and Outlook mobile likewise stores its own.
Re: In practice
A meaningful share of your outbound mail leaves from your phone, and recipients cannot tell or do not care which device you used; they just see that half your messages carry full contact details and half say "Sent from my iPhone." Fixing it takes minutes per device but is easy to forget, which makes mobile the weak point of any team signature rollout, since most signature settings do not sync across devices and each phone needs the signature installed manually. A pragmatic pattern is a slightly slimmer mobile version, name, title, company, phone, and one link, because a large banner-and-photo signature can dwarf the two-line replies people typically send from phones. Any rollout checklist should include phones explicitly, with per-app paste instructions.
Fwd: Worth a look
dark mode email signature
Dark mode inverts email backgrounds and can make logos and text in signatures unreadable. Learn what changes and how to design around it.
email signature colors
Email signature colors are the text, accent, and link hues in your sign-off, set as inline hex values and chosen to survive dark mode inversion.
email signature generator
An email signature generator is a tool that turns your details into ready-to-paste, email-safe HTML, sparing you from hand-coding tables.
email signature image formats
PNG, JPG, and GIF are the image formats that work in email signatures. Learn which to use for logos, photos, and banners, and why SVG fails.
email signature photo
An email signature photo is a small headshot beside your contact details that puts a face to your name. See sizing, format, and when to use one.
responsive email signature
A responsive email signature stays readable on any screen width. In practice that means compact fixed-width tables, not media queries.
Free generator, no account required. Works in Gmail, Outlook, and Apple Mail.
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