Resources
Guides for every mail client.
Short, practical, kept up to date when Gmail, Outlook or Apple change something.
How to add an email signature in Gmail
Step-by-step: paste a rich HTML signature into Gmail on the web, fix the common problems, and set it for replies.
How to add an email signature in Outlook
Classic Outlook, new Outlook, Outlook on the web and Outlook for Mac: where the signature setting is and what breaks.
How to add an email signature in Apple Mail
Install a .mailsignature file on Mac, and paste a signature on iPhone and iPad.
Email signature best practices
What to include, what to leave out, sizes, images, legal lines, and the mistakes that get signatures flagged as spam.
Email signatures and dark mode
Why signatures break in dark-mode inboxes and how to design one that survives Gmail, Outlook and Apple Mail dark modes.
HTML email signatures: what works and what does not
A technical guide to HTML in signatures: tables, inline CSS, images, fonts, and the features each client supports.
Make the last line of every email count.
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