Back to blog
Newsletters
Growing Your Newsletter with Email Signatures
November 7, 2025 5 min read
Emily Nakamura
Marketing Director at Siggly
Email signatures are an overlooked channel for growing your newsletter subscriber list. Everyone you email is a potential subscriber.
CTA Examples
- "📧 Subscribe to our weekly newsletter"
- "Get [topic] insights — Join 5,000 subscribers"
- "Free newsletter: [Name] — Subscribe"
What Works
- Value proposition — What will they get?
- Social proof — Subscriber count
- Frequency — Weekly, monthly
- Easy signup — Direct link to subscribe
Link Options
- Newsletter landing page
- Direct signup link (Mailchimp, Substack, etc.)
- Latest issue (to preview content)
Who Should Include It
- Marketing team (definitely)
- Sales team (if newsletter supports sales)
- Content creators
- Anyone in customer-facing roles