Definition
An email signature is the sign-off block at the end of an email that identifies the sender and provides contact and brand context. In commercial and transactional email it builds credibility and gives recipients a way to act or reply.
The essentials include the sender's full name and role or title, company name and branding (logo, colors), and reliable contact details such as email, phone and website. Optional extras can include social links, a disclaimer and a link to book time or a call.
Keep signatures consistent and clean, and make sure they render well on mobile. Signatures are both a nicety and practical: they answer the 'who is this and how do I reach them' question that every recipient has.
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Related Glossary Terms
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Above the fold in email refers to the content visible to a recipient before they scroll, a critical area for first impressions and primary calls to action.
Accessible CTA (Email)
An accessible CTA is a button or link coded with sufficient colour contrast, visible focus states, descriptive screen-reader text, and a minimum touch target of 44×44 pixels.
Adaptive Design
Adaptive design in email uses predefined layouts that adjust to specific device or client widths, rather than fluidly resizing to every possible screen.
AI-Generated Content in Email
AI-generated content in email is copy, images, code or subject lines produced by artificial intelligence tools to speed up campaign production and testing.
Alt Text
Alt text is the written alternative to an image in an email, displayed when images are blocked, slow to load, or consumed by screen readers.
Autoplay Video in Email
Autoplay video in email refers to the limited ability to play video content automatically when an email is opened, using specific client-supported techniques.
Frequently Asked Questions
Include your name, role and company, contact details like email and phone, your website, and branding such as a logo, all styled consistently and cleanly.
Not generally, but disclosure requirements may apply in some regions and industries. Practically, a clear signature builds trust and gives recipients a way to act.
Optional items include social links, a booking link, a short disclaimer and legal lines. Add them only if they add value, and keep the signature clean on mobile.