Listmonk – Self-Hosted Newsletter Manager

Listmonk is a high-performance, self-hosted newsletter and mailing list manager with a modern admin UI and powerful templating.

• GitHub: github.com/knadh/listmonk (16 000+ ⭐)
• License: AGPL-3.0
• Security: Single Go binary. No telemetry. No malware.

Environment Variables

Variable	Description
{{LISTMONK_URL}}	Base URL
{{LISTMONK_USER}}	Admin username
{{LISTMONK_PASSWORD}}	Admin password

Usage Examples

List subscribers

curl -s -u "{{LISTMONK_USER}}:{{LISTMONK_PASSWORD}}" \
  "{{LISTMONK_URL}}/api/subscribers"

Create a campaign

curl -s -X POST -u "{{LISTMONK_USER}}:{{LISTMONK_PASSWORD}}" \
  "{{LISTMONK_URL}}/api/campaigns" \
  -H "Content-Type: application/json" \
  -d '{"name": "Weekly Update", "subject": "Weekly Digest", "lists": [1], "type": "regular", "content_type": "richtext", "body": "<p>Hello!</p>"}'

AI Agent Tips

• Handles millions of subscribers with minimal resources.
• Go + PostgreSQL backend — single binary deployment.
• Template variables and dynamic content for personalisation.
• Bounce and DKIM/SPF management built-in.