Sold by: Lynxroute
Deployed on AWS
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This product has charges associated with it for hardening, security configuration, and support.
Listmonk is a self-hosted, single-binary newsletter and mailing list manager - subscribers, lists, campaigns, transactional email API, templates, and analytics in one Go binary. Unlike bare Listmonk AMIs that ship with a public-facing admin UI, no super-admin user, and PostgreSQL listening on 0.0.0.0, this Lynxroute build is ready out of the box: super-admin user with unique password generated at first boot, admin UI bound to loopback and reachable only through Nginx with TLS, PostgreSQL bound to 127.0.0.1, UFW firewall pre-configured, and a CIS Level 1 hardened Ubuntu 24.04 LTS base.
AGPL-3.0 license - fully auditable, no vendor lock-in.
Overview
This is a repackaged software product wherein additional charges apply for hardening, security configuration, and support.
WHAT IS LISTMONK
Listmonk is an open-source, self-hosted newsletter and mailing list manager built as a single statically linked Go binary. It supports double or single opt-in subscriber lists, public and private lists, segmented campaigns, transactional email via REST API, HTML and plain-text templates, scheduled and continuous campaigns, bounce processing, click and view tracking, public archive pages, multi-language i18n, custom subscriber attributes, and a built-in admin UI. Connects to any standard SMTP relay (Amazon SES, SendGrid, Postmark, Mailgun, or self-hosted Postfix). Persists subscribers, campaigns, templates, and tracking data in PostgreSQL. AGPL-3.0 license, no vendor lock-in.
WHAT THIS AMI ADDS
Security hardening:
- Super-admin account with unique password (EC2 Instance ID) generated at first boot - never baked into the AMI
- Listmonk admin UI bound to 127.0.0.1:9000 - reachable only through the Nginx reverse proxy with TLS
- PostgreSQL 16 local, listening on 127.0.0.1 only - database password generated per instance
- Nginx reverse proxy with TLS, HTTP-to-HTTPS redirect, security headers
- UFW firewall pre-configured - only TCP 22, 80, 443 are exposed
- fail2ban, AppArmor
- CVE scan - every image is scanned for vulnerabilities before release
OS hardening (CIS Level 1):
- CIS Ubuntu 24.04 LTS Level 1 benchmark applied via ansible-lockdown
- auditd, SSH hardening, kernel hardening, IMDSv2 enforced
Compliance artifacts:
- SBOM - CycloneDX 1.6 at /etc/lynxroute/sbom.json
- CIS Conformance Report at /etc/lynxroute/cis-report.html
- CIS Tailored Profile at /usr/share/doc/lynxroute/CIS_TAILORED_PROFILE.md
Highlights
- Listmonk security baked in: super-admin user with unique password generated at first boot, admin UI bound to 127.0.0.1 and reachable only through Nginx with TLS, PostgreSQL bound to loopback - unlike bare Listmonk AMIs that expose the admin UI directly on TCP 9000, ship without a super-admin user, and leave PostgreSQL listening on 0.0.0.0.
- CIS Level 1 hardened Ubuntu 24.04 LTS: auditd, fail2ban, AppArmor, SSH key-only, IMDSv2 enforced. CVE-scanned before every release. SBOM (CycloneDX) and CIS Conformance Report included.
- Full self-hosted email platform: subscribers, lists, campaigns, transactional REST API, templates, analytics, bounce processing, and i18n in a single Go binary on PostgreSQL 16. AGPL-3.0 license - fully auditable, no vendor lock-in, ever.
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Features and programs
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AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing
Free trial
Try this product free for 5 days according to the free trial terms set by the vendor. Usage-based pricing is in effect for usage beyond the free trial terms. Your free trial gets automatically converted to a paid subscription when the trial ends, but may be canceled any time before that.
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Cost/hour |
|---|---|
t3.small Recommended | $0.03 |
m6i.large | $0.05 |
t3.large | $0.05 |
t3.medium | $0.05 |
Dimensions summary
You pay by the hour based on the EC2 instance size you choose to run this hardened image. The four options — m6i.large, t3.large, t3.medium, and t3.small — differ by compute and memory capacity. Each runs the same pre-hardened software, so pricing scales with the instance size you select rather than by features or user counts. The t3 sizes step down from large to small, while m6i.large offers a general-purpose alternative. Billing is usage-based with no term commitment, and AWS charges you hourly for as long as the instance runs.
Top-of-mind questions for buyers
Each dimension is an AWS EC2 instance size that runs the same hardened image. The t3.small, t3.medium, and t3.large offer step-up compute and memory. The m6i.large is a general-purpose size. The software is identical across all four; you pick the size that fits your workload.
The hourly software charge meters running time. A fully stopped instance stops accruing the hourly software fee. Underlying AWS resources, such as attached storage, may still incur separate AWS charges even while the instance is stopped. Only running hours count toward the software rate you selected.
The hourly rate covers a pre-hardened Ubuntu 24.04 LTS image. It ships with CIS Level 1 hardening, CVE scanning, a bundled SBOM, and a CIS Conformance Report. Unique credentials generate at first boot. You do not pay separately for this setup or configure it yourself.
lynxroute.com
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Vendor refund policy
We do not offer refunds for this product. AWS infrastructure charges (EC2, EBS, data transfer) are billed separately by AWS and are not refundable by us.
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Listmonk 6.2.0
- Listmonk 6.2.0 - self-hosted newsletter & mailing list manager (minor update from 6.1.0; security fixes for multi-user campaign/list permission validation, inline CID images, trusted redirect URLs)
- Certbot pre-installed - enable a trusted HTTPS certificate with one command: sudo certbot --nginx -d yourdomain.com
- Rebuilt on the latest CIS Level 1 hardened Ubuntu 24.04 LTS base
Additional details
Usage instructions
- Launch instance (t3.small recommended)
- Open Security Group - allow TCP 443 from your IP
- SSH: ssh -i key.pem ubuntu@<PUBLIC_IP>
- Read credentials: sudo cat /root/listmonk-credentials.txt
- Open https://<PUBLIC_IP> in your browser - accept the self-signed certificate warning
- Log in with admin credentials from the credentials file
- Configure SMTP in Settings -> SMTP after first login
Admin password equals the EC2 Instance ID. Credentials are saved to /root/listmonk-credentials.txt at first boot. Replace the self-signed TLS certificate with a CA-signed certificate for production use.
Support
Vendor support
Visit us online: https://lynxroute.com
For Listmonk documentation: https://listmonk.app/docs For Listmonk upstream issues: https://github.com/knadh/listmonk/issues For AWS infrastructure issues:
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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