Guides
Guides, kept up to date
Evergreen answers to the questions people ask about email signatures, dated by their last real change and sourced where a claim depends on somebody else's software.
Every page in Guides
Animated GIFs in Outlook
Which versions play them, which show one frame, and how to be safe in both.Read the guide
Email signature size
Every size that matters, from width on a phone to weight.Read the guide
Email signature mistakes
Ten that break a signature in somebody else's inbox.Read the guide
HTML email signatures
Why tables and inline styles, and how to install one.Read the guide
UK legal requirements
What a UK company or sole trader must show in an email.Read the guide
Signatures on phones
How a signature reads on a phone, and how to send from one.Read the guide
Dark mode
What dark mode does to a signature, and how to plan for it.Read the guide
Call to action examples
Ten kinds of ask for the space under your name.Read the guide
Campaign ideas
A year of banners, month by month.Read the guide
Tracking signature clicks
Built-in click counts, UTM tags, and why not opens.Read the guide
Accessible animated signatures
What WCAG asks of motion in an email, alt text, and what an email cannot do.Read the guide