| What it does | Email signature management that audits, deploys and maintains signatures across Google Workspace and Microsoft 365
| Email marketing for developers. Paste a form, no backend, write in Markdown, run from your coding agent.
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| Stage | Established
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| Founded | Not given
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| Based in | PL
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| Pricing model | Freemium
| Freemium
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| Pricing | Free audit at any size. Team plan: €1/$1 per seat per month (minimum €9/$9). Business plan: €1.60/$1.60 per seat per month (minimum €9/$9). Monthly billing, no seat minimum, 14-day trial of Business without card required. Enterprise plans with custom deployment and bank transfer available.
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| Key features | - Free drift audit on Google Workspace showing off-brand signatures, outdated logos, missing disclaimers, and incorrect job titles
- Client-side signature deployment on Google Workspace with server-side property reaching web and mobile
- Outlook add-in for Microsoft 365 audit and signature setting as people write
- Outbound relay for Microsoft 365 signature insertion on all messages
- HTML editor for signature creation
- Signature versions and restoration
- Banner campaigns and click tracking
- Self-contained deployments with dedicated servers in Azure region of choice
- Mailbox import and signature builder with preview for everyone
- No seat minimums with pricing from €9/$9 per month
| - Write campaigns in Markdown files
- Run broadcasts from coding agent over MCP
- Double opt-in on by default
- Automatic domain authentication with DNS setup
- Export subscriber data to CSV or JSON
- Lists and campaigns stored as repository files
- 30-day money-back guarantee on paid plans
- SPF, DKIM, DMARC authentication
- One-click unsubscribe and bounce suppression
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| What makes it different | - Continuously audits and reports actual signatures being sent, not just enforced at creation
- Built by mail infrastructure engineers with a decade of experience in the mail path
- Supports both Google Workspace and Microsoft 365 with tailored solutions for each platform
| - Developer-first workflow with no dashboard required—set up forms, manage lists, and send campaigns entirely from your coding agent and repository
- More subscribers at lower entry price than competitors: 3,000 subscribers at $9/mo vs Mailchimp ~$13 for 500 or Kit ~$25 for 1,000
- Completely free tier with 100 subscribers and no credit card or trial clock
- Version-controlled campaigns as Markdown files reviewed in pull requests
- Open source platform with no backend infrastructure to maintain
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 25 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 4 | 0 |
| Citation Flow (Majestic) | 24 | 0 |
| Referring domains (Majestic) | 14 | 0 |