SendPortal
Depends
Confidence: Medium
Buy it if you can run and maintain your own server and want unlimited sends without per-subscriber fees.
New check
Comparison
SendPortal and listmonk both land on Depends.
Buy it if you can run and maintain your own server and want unlimited sends without per-subscriber fees.
Buy it if you can run a server: it is genuinely free, fast, and handles millions of subscribers.
| Compare | SendPortal | listmonk |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Cost-conscious newsletter senders | Technical teams comfortable self-hosting |
| Who it's not for | Non-technical teams wanting zero maintenance | Non-technical teams . no server, no product |
| Privacy | No known public vulnerabilities found in the sources reviewed.² | No known public vulnerabilities found in the sources reviewed.⁸ |
| Support quality | No support evidence found | No support evidence in sources reviewed |
| Public sentiment | No independent user reviews found; coverage is limited to launch news and directory listings.³ | Users praise listmonk as fast, intuitive, and dramatically cheaper than Mailchimp, with self-hosting as the main hurdle.⁹ |
| Biggest gotcha | Self-hosting makes deliverability, updates, backups, and compliance your problem¹ | You own IP reputation; poor setup means spam folders, not the vendor⁹ |