Signature campaigns let you add promotional banners, announcements, or calls-to-action to your employees' email signatures. Every email becomes an opportunity to share your message—product launches, events, hiring announcements, and more.

Promotional Banners

Add visual banners below signatures to promote:

• Product launches and announcements
• Events and webinars
• Job openings and hiring campaigns
• Company news and achievements
• Seasonal promotions

Campaign Scheduling

Control when campaigns run:

• Set start and end dates
• Schedule campaigns in advance
• Run always-on campaigns
• Pause and resume as needed

Audience Targeting

Show different campaigns to different groups:

• Target by department
• Target by team or role
• Target by organizational unit
• Target specific employees
• Set fallback/default campaigns

Performance Analytics

Track how your campaigns perform:

• Impressions (emails sent with banner)
• Click-through rate
• Clicks by employee or department
• Campaign comparison

Product Marketing Announce new features or products to every contact your team emails.

Event Promotion Drive registrations for webinars, conferences, or company events.

Recruiting Share open positions with every email recipient.

Brand Awareness Reinforce company messaging and values.

Seasonal Campaigns Holiday greetings, end-of-year messages, or seasonal promotions.

When campaigns become available, follow these best practices:

• Keep banners compact: Recommended size 600px × 100px
• Clear call-to-action: Tell recipients what to do ("Register Now", "Learn More")
• High contrast: Make text readable at a glance
• Mobile-friendly: Test on mobile email clients
• File size: Keep images under 100KB for fast loading

Want to know when campaigns launch? Contact us at hello@lastline.app to join the waitlist for early access.

While campaigns are in development, you can:

• Add promotional text to your email disclaimer (Settings → Organization)
• Create multiple signature templates for different purposes
• Update signatures manually for time-sensitive announcements

• Email Signatures — Create and manage signature templates
• Getting Started — Initial setup guide
• FAQ — Common questions