VeriMails vs Mails.so
Mails.so is a newer entrant in the email verification space, offering basic verification with a clean interface. However, it lacks the catch-all probability scoring that B2B teams need and has limited track record for accuracy at scale.
| Feature | VeriMails | Mails.so |
|---|---|---|
| Pricing (5K emails) | $19 (10K credits) | $19/mo (5K) |
| Catch-all Detection | Probability score 0–100 | Basic flag only |
| SMTP Verification | Full handshake | Yes |
| Bulk CSV Upload | Yes — any format | Yes |
| REST API | Full API + webhooks | REST API |
| Disposable Detection | 2,000+ providers | Limited |
| Role-based Detection | Yes | Partial |
| Free Tier | 100 free credits on signup | Trial only |
| Credits Expiry | Never expire | Monthly |
| Credits | Price | Per Email |
|---|---|---|
| 10,000 | $19 | $0.0019 |
| 25,000 | $39 | $0.00156 |
| 50,000 | $59 | $0.00118 |
| 100,000 | $99 | $0.00099 |
| 250,000 | $199 | $0.000796 |
| 500,000 | $349 | $0.000698 |
| 1,000,000 | $499 | $0.000499 |
Why teams switch to VeriMails
- Catch-all probability scoring recovers 15–30% of B2B lists
- Lower per-verification cost at every tier
- Credits never expire — use them when you need them
- API-first with webhook support for automation
Try it yourself
100 free credits on signup — no credit card. Run the same test list through both services and compare accuracy directly.
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Last updated: March 2026
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