ImprovMX vs Paubox
On privacy it's Paubox. On price it's ImprovMX. On features it's Paubox. Here's everything side by side, last checked 25 October 2026.
Which should you choose?
- Choose ImprovMX if you want to pay less: $50 a year and a free plan before you pay anything.
- Paubox is the better pick if you want the choice of any mail app over IMAP.
| Feature | ImprovMX | Paubox |
|---|---|---|
| Overall | 1.5 | 2.0 |
| Privacy | 0.5 | 1.5 |
| Price | 3.5 | 2.0 |
| Features | Not rated | 3.5 |
| Cheapest plan | Light $50 a year | Standard $32 a month for up to 5 users |
| Free plan | Yes, 1 domain, 25 aliases | No |
| Storage | Forwards only | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | Optional (PGP or encrypted storage) |
| Company based in | Not confirmed | United States |
| Your data is kept in | Not confirmed | United States (US data centres only) |
| Founded | Unknown | Unknown |
| Free trial | Free plan | 14 days free |
| Funded by advertising | No | No |
| Works in any mail app | No, its own apps only | ✓ IMAP and SMTP |
| Calendar and contacts | No | No |
| Aliases | 25 to 200 aliases per domain | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
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Where they differ
- ImprovMX's cheapest plan is Light ($50 a year); Paubox's is Standard ($32 a month for up to 5 users).
- ImprovMX has a free plan (1 domain, 25 aliases); Paubox has no free plan.
- Space: ImprovMX gives no storage, as it forwards mail on, Paubox storage not confirmed.
- Data location: Not confirmed for ImprovMX, United States (US data centres only) for Paubox.
- The companies sit under different laws: ImprovMX in Not confirmed, Paubox in United States.
- On encryption, ImprovMX doesn't encrypt mail end to end, whereas Paubox offers optional encryption (PGP or encrypted storage).
- Mail apps: ImprovMX only works in its own apps; Paubox works in any mail app over IMAP.
- Aliases: ImprovMX offers 25 to 200 aliases per domain, Paubox yes.
ImprovMX and Paubox: your questions
Is ImprovMX more private than Paubox?
Paubox scores 1.5 out of 5 for privacy and ImprovMX 0.5.
Is ImprovMX cheaper than Paubox?
ImprovMX is cheaper. Its Light plan is $50 a year, against $32 a month for up to 5 users for Paubox's Standard. ImprovMX also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with ImprovMX or Paubox?
Yes, both do. ImprovMX: Yes. Paubox: Yes.
Where is my email stored with ImprovMX and Paubox?
ImprovMX keeps it in Not confirmed. Paubox keeps it in the United States (US data centres only).
Can I use ImprovMX and Paubox in Apple Mail or Outlook?
ImprovMX only works in its own apps. Paubox works in any mail app over IMAP.
Recent price changes
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: ImprovMX news · Paubox news.
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Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.