Best Email Deliverability · FREE
Best free Email Deliverability (2026)
3 email deliverability that offer a genuine free plan, ranked by entry price. Every figure links to the vendor's own page and the date we captured it.
Key takeaways
- Cheapest: Folderly at $0/mo.
- Qualifying: Folderly, GlockApps, Mailtrap.
- Data current through: 2026-06-18.
Comparison
| # | Email Deliverability | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | Folderly | $0/mo | Yes | — | — | B2B senders needing reputation building | folderly.com |
| 2 | GlockApps | $0/mo | Yes | — | — | inbox placement testing | glockapps.com |
| 3 | Mailtrap | $0/mo | Yes | — | Yes | developers | mailtrap.io |