Honest Comparison (2026)
Mailthentic vs Proofy
A straightforward bulk email verification service.
Proofy offers simple bulk verification. Mailthentic adds the deliverability layer it skips: SPF, DKIM and DMARC checks and domain health scoring on every address, with credits that never expire.
Feature Comparison
Every feature, side by side. No marketing fluff.
| Feature | Mailthentic | Proofy |
|---|---|---|
| REST API | ✓ | ✓ |
| Bulk list cleaning | ✓ | ✓ |
| Email verification | ✓ | ✓ |
| SMTP mailbox check | ✓ | ✓ |
| Catch-all detection | ✓ | ✓ |
| Credits never expire | ✓ | ✗ |
| Role-based detection | ✓ | ✓ |
| Domain health scoring | ✓ | ✗ |
| Pay-as-you-go credits | ✓ | ✓ |
| Free credits on signup | 100 | 500 |
| CRM integrations (OAuth) | ✓ | ✓ |
| SPF / DKIM / DMARC check | ✓ | ✗ |
| Disposable email detection | ✓ | ✓ |
| Free email checker (no signup) | ✓ | ✗ |
Pricing Comparison
Transparent pricing, no hidden fees.
| Volume | Mailthentic | Proofy |
|---|---|---|
| 1,000 verifications | $5.00 | $8.00 |
| 5,000 verifications | $19.00 | $32.00 |
| 25,000 verifications | $69.00 | $140.00 |
Pricing as of June 2026. Mailthentic pay-as-you-go credits never expire. See full pricing
Why Teams Choose Mailthentic
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SPF, DKIM and DMARC checks Proofy leaves out
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Domain health scoring with actionable fixes
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Lower cost per verification on standard tiers
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Credits never expire
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OAuth CRM integrations
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9-point engine with catch-all and disposable detection
Where Proofy Excels
We believe in honest comparisons. Here is where Proofy has advantages:
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Simple bulk verification
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Free trial credits
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Easy interface
Mailthentic Is Ideal For...
Teams that want simple bulk verification but still need DNS authentication checks and deliverability insight.
Frequently asked questions
Is Mailthentic a good Proofy alternative?
Yes. Mailthentic matches Proofy on core verification and adds SPF, DKIM and DMARC checks plus domain health scoring, usually at a lower cost per verification.
How do I switch from Proofy?
Export your lists to CSV and upload them to the bulk verifier, or use the REST API. New accounts start with 100 free credits.
Ready to try a better alternative?
Start with 1,000 free verification credits. No credit card required. See the difference for yourself.