Alternatives to Suped
Suped: All-in-one DMARC platform. 8 products similar to Suped, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 6 of 8 have an API, 3 of 8 offer an MCP server.
- Mail-Tester
Test your emails for spam score and configuration problems
- EmailLabs
Cloud-based SMTP service and email API for sending and tracking transactional and marketing emails
- Mailtrap
Email delivery platform for developer and product teams: Email API/SMTP sending, email testing sandbox, and email marketing.
- SendBridge Mail Tester
Free email deliverability and spam score test with SPF, DKIM, DMARC, Rspamd analysis, and 23+ blacklist lookups.
- dkimvalidator.com
Email validator that checks DKIM, SPF validity and SpamAssassin score by sending an email to any address @dkimvalidator.com.
- Sweego
European email and SMS sending platform for developers
- Email Spam Tester
Free email spam checker: send one message and get a SpamAssassin score, SPF, DKIM and DMARC checks, blocklists and optional inbox placement. No signup.
- DomainCanary
DMARC enforcement without blocking your mail
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Suped | Freemium | yes | yes | yes | — | no |
| Mail-Tester | Freemium | yes | yes | no | no | no |
| EmailLabs | Freemium · from 0 PLN/month (Startup plan, up to 9,000 emails/month, 300 emails/day limit); paid plans from 99 PLN/month (Essential 30, up to 100,000 emails/month) | yes | yes | no | yes | no |
| Mailtrap | Freemium · from $15 | yes | yes | yes | yes | no |
| SendBridge Mail Tester | Free | yes | no | no | no | — |
| dkimvalidator.com | Free | yes | no | no | no | no |
| Sweego | Freemium · from 0 EUR (free plan, 100 emails/day); paid plans from 8 EUR/month (annual) or 10 EUR/month | yes | yes | no | yes | no |
| Email Spam Tester | Free | yes | yes | yes | no | no |
| DomainCanary | Freemium · from $0 | yes | yes | yes | — | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
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