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Proton Mail for Business vs Rackspace Email

On privacy it's Proton Mail for Business. On price it's Proton Mail for Business. On features it's Rackspace Email. Here's everything side by side, last checked 25 October 2026.

Should you pick Proton Mail for Business or Rackspace Email?

  • Go for Proton Mail for Business if you'd like mail that's encrypted end to end without any setup; your mailbox stored in Switzerland; and the lower price ($6.99 per user a month).
  • Choose Rackspace Email if you want 25 GB of storage; the choice of any mail app over IMAP; and a company with a longer track record (since 1998).
FeatureProton Mail for BusinessRackspace Email
Overall4.02.0
Privacy4.50.5
Price2.52.0
Features4.55.0
Cheapest planMail Essentials
$6.99 per user a month
Rackspace Email
$10 per mailbox a month (from March 2026)
Free planNoNo
Storage15 GB25 GB
Your own domain✓ 3✓ Yes
End-to-end encryption✓ Built inNo
Company based in Switzerland United States
Your data is kept in Switzerland United States and UK
Founded20141998
Free trial30-day refund14 days free
Funded by advertisingNoNo
Works in any mail appWith Proton Bridge on paid plans✓ IMAP and SMTP
Calendar and contacts✓ Yes✓ Yes
AliasesYesYes
Open-source apps✓ YesNo
Sign up without IDNoNo
White labelNo✓ Yes
Reader offerNoneNone
Last checked22 October 202625 October 2026

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How Proton Mail for Business and Rackspace Email differ

  • Cheapest plans: Proton Mail for Business Mail Essentials, $6.99 per user a month. Rackspace Email Rackspace Email, $10 per mailbox a month (from March 2026).
  • Proton Mail for Business comes with 15 GB of storage and Rackspace Email with 25 GB of storage.
  • Your mail is stored in Switzerland with Proton Mail for Business, and in the United States and UK with Rackspace Email.
  • Proton Mail for Business is based in Switzerland and Rackspace Email in the United States, so different privacy laws apply.
  • Proton Mail for Business encrypts mail end to end; Rackspace Email doesn't encrypt mail end to end.
  • Proton Mail for Business works in other mail apps through Proton Bridge on paid plans, and Rackspace Email works in any mail app over IMAP.

Proton Mail for Business and Rackspace Email: your questions

Which is more private, Proton Mail for Business or Rackspace Email?

Proton Mail for Business scores 4.5 out of 5 for privacy and Rackspace Email 0.5. Proton Mail for Business gives you mail that's encrypted end to end without any setup, your mailbox stored in Switzerland and open-source apps.

Which is cheaper, Proton Mail for Business or Rackspace Email?

Proton Mail for Business is cheaper. Its Mail Essentials plan is $6.99 per user a month, against $10 per mailbox a month (from March 2026) for Rackspace Email's Rackspace Email. Check the renewal price before you pay, as some first-year prices go up.

Do Proton Mail for Business and Rackspace Email work with my own domain?

Yes, both do. Proton Mail for Business: 3 domains on its cheapest plan that allows one. Rackspace Email: Yes.

Where do Proton Mail for Business and Rackspace Email keep my email?

Proton Mail for Business keeps it in Switzerland. Rackspace Email keeps it in the United States and UK.

Do Proton Mail for Business and Rackspace Email work in other mail apps?

Proton Mail for Business works in other mail apps through Proton Bridge on paid plans. Rackspace Email works in any mail app over IMAP.

Prices and the latest news

  • 1 March 2026 Rackspace Email: $10 (March 2026 rise)
  • 1 January 2026 Rackspace Email: $3

The latest headlines: Proton Mail for Business news · Rackspace Email news.

Alternatives to Proton Mail for Business and Rackspace Email

Proton Mail for Business vs mailbox.org · Rackspace Email vs mailbox.org · Proton Mail for Business vs Posteo · Rackspace Email vs Posteo · Proton Mail for Business vs Proton Mail · Rackspace Email vs Proton Mail

Moving your email

Whichever you choose, the move follows the same steps. Pick your two providers for the steps.

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