What is Proton Mail?
Proton Mail for Business offers a secure and professional email solution trusted by 50,000 organizations. Built with end-to-end encryption and protected by Swiss privacy laws, Proton Mail ensures your sensitive information is safe from unauthorized access and data leaks. Whether you're a small business or a large organization, you can ensure regulatory compliance, reinforce client trust, and keep your communications safe. Easily migrate your team from Google or Microsoft, use your own email domain for your communications, and manage your schedule with Proton Calendar — all in a user-friendly, privacy-focused platform.
Pricing
Mail Essentials at $6.99/month/user billed annually.
Mail Professional at $9.99/month/user billed annually.
Integrations
Company Facts
Product Details
Product Details
Proton Mail Categories and Features
Encryption Software
Email Management Software
Calendar Software
More Proton Mail Categories
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Fresh look for my email
Date: Jul 09 2025SummaryOverall the experience has been positive. I am currently using it as a secondary email but may start using it as a main email service with time.
PositiveI like the fact that it was constructed around account safety and it has a fresh interface. It has a lot of features and it is quite affordable for regular users.
NegativeThe Proton ecosystem may take some getting used to. Like trying to figure out how to use alises.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Secure, reliable, trustworthy
Date: Sep 02 2025SummaryPerfect service for our business in Europe. We are small company with not an own IT department. Its easy to use!
PositiveTrustworthy service from Switzerland. So its Europe.
proton meets all legal requirements, so it is perfect for business.
Availability is very good.NegativeThe web app lags sometimes a little bit.
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Some features are missing ("recompose sent message") -
Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
A complete, secure, and versatile solution
Date: Sep 02 2025SummaryProton has been a game changer for our business: secure, fast, private, and extremely reliable. It gives us peace of mind and simplifies our workflow, while offering flexible plans that fit different needs. The UI and UX are smooth, intuitive, and clear — it’s genuinely a pleasure to switch between Windows 11 and iPhone and see everything flow seamlessly. Definitely a service I’d recommend to anyone.
PositiveAll tools in one place — Mail, Drive, VPN, Calendar — make work simple and efficient. Seamless sync across devices keeps everything smooth and effortless, with flexible plans for any need.
NegativeSo far, nothing to complain about. Everything works beyond our expectations. The Snowfall theme is a nice touch, though that’s of course just a personal preference
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Excellent privacy oriented emails
Date: May 15 2023SummaryProtonMail is a great privacy orientated email provider, the pricing can leave a bit to be desired depending on your use-case but otherwise I would strongly recommend it.
Positive- Easy to use,
- Open source,
- Possible to use with a custom domain (requires a premium subscription),
- Privacy orientated (something truly rare these days!)Negative- Could allow for more domains in the premium non-business plans
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- The IOS app is somewhat bug-prone and could use more polish and if possible integrate more with the system.
- No MacOS app -
Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
The 1st provider you hear when you want a privacy-respecting e-mail
Date: Mar 02 2022SummaryOverall, ProtonMail is a solid choice for a privacy-respecting e-mail provider, there are some issues, like services not recognizing your ProtonMail address, but it's only minor.
PositiveThe web client is great for all my needs, and ProtonMail is a privacy-respecting e-mail provider, based on Switzerland.
NegativeNo IMAP support on the free plan, and you also need to use an app for that to happen.
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Low storage - only 500 mb.
My grandparents have used ProtonMail for their e-mails (I created so they can use some government services), and some of those services would not recognize. -
Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Got away from gmail!
Date: Feb 28 2021SummaryI really like using Proton mail. The best part is that I am no longer tied to Google mail in any way and have removed all four of the accounts that I had there. Proton mail has given me the security of knowing that I have a level of privacy.
PositiveCan encrypt if you want, or not. All settings are available and it is easy to set up everything. Have a free version that I am currently using and it is not restricted in any way. Allows for two-factor authorization.
NegativeJust couldn't find any cons as of yet. Have used the program for about 3 months.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Great privacy-centric emails
Date: Aug 15 2021SummaryThis is one of the best privacy centric email services around. If more of them nailed the user interface like this one does, Gmail should be scared.
PositiveThe # draw is that this is a secure, privacy-focused email alternative. It also has a very sleek interface.
NegativeUnderstandably, it does not offer a large amount of storage, only 500MB, so no hoarding like you would with gmail.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
More private mail
Date: Nov 19 2020SummaryI keep going back and forth between this and Tutanota. For the time being, I prefer Tutanota though I think ProtonMail is the more polished of the two. Both are good services for encrypted mail. I'd give them both and try and see which one you prefer.
PositiveProtonMail offers encrypted emails, so it's a good option for those looking for a more private, secure email service compared to the bigger ones out there like Gmail and Outlook. It's got fairly priced options, and the free version isn't too bad either.
NegativeMuch like Tutanota, however, you can't use this as your only email account because a lot of services won't recognize it as a "valid" email service even though it very obviously is.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Feel Safe
Date: Oct 17 2020SummaryOverall the free version is great unless you are going to be sending a ton of emails. It works for me and I feel safe using it.
PositiveI love that my emails are end to end encrypted. I found out that Gmail reads my emails and I quickly signed up for the free version.
NegativePeople look at me weird when I give them my email address now.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Secure Email Solution
Date: Jun 03 2020SummaryProtonMail offers an easy to use encrypted mailing service, which is multi-platform, secure and affordable.
PositiveUser-friendly platform.
256 bit end to end encryption.
Free version & Inexpensive upgrades.
Easy to use API.
2 Factor Authentication.NegativeSlow customer care service.
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Only 500 Mb storage for free tier. -
Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Mailbox with focus on security and privacy
Date: Aug 20 2020SummaryProtonMail is a mail service with focus on secure communications. It promises data protection and provides end to end encryption. It is open source and available to use for free but with limited storage.
PositiveOpen source
Easy to use
Good security and privacy
Multi level security and encryption
Free tier
Mobile version alongside web versionNegativeLimited storage in free tier means you will need to free space for long term use.
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