Proton
Proton is an email hosting provider based in Geneva, Switzerland, founded in 2014. As of 2026 it holds an HRI of 86/100, a strong signal, ranked independently by HostList with no paid placements.
Proton (Proton Mail) is a Switzerland-based encrypted email hosting provider offering end-to-end encrypted business email and professional email on your own domain. Plans include Proton Mail, Calendar, Drive, and VPN with strong privacy defaults, open-source clients, and GDPR-aligned infrastructure - aimed at individuals and organisations that need secure hosted email rather than a conventional web host.
Measured on this provider's public website, not customer sites on their platform.
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How we measure this →Before You Sign Up
Promoted placement. Does not affect HRI, ranking order or eligibility.
What Proton Discloses
Facts the company has published and HostList has verified. Blanks are informative: a question a host has not answered cannot be answered on its behalf. Completeness measures how much this host discloses, not how good it is.
29 of 30 questions unanswered
- Entry plan price
- Refund window
- Site migration
- Verified coupon
- Status page
- Incident history feed
- Uptime SLA
- Ownership
- Legal entity
- Data residency
- GDPR DPA
- Datacenter regions
- Server stack
- Storage
- Security included
- Security contact
- Certifications
- Data centre model
- Backups
- Support
- Support languages
- Published plans
- Resource limits
- Renewable energy
- Description
- Logo
- Social profiles
- YouTube
- Changelog
1 of 30 applicable facts disclosed. Hosts control this section. HostList verifies every entry and never charges for it.
What Customers Say About Proton
Share Your ExperienceAggregate scores sourced from third-party review platforms. The quotes below are stored excerpts, linked back to their source; click through to read each one in full.
Proton holds 11U across 2 racks. Rack space is allocated by rank alone and cannot be bought.
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<a href="https://hostlist.io/server-room" target="_blank" rel="noopener"><img src="https://hostlist.io/api/server-room/badge?slug=proton-usa" alt="Proton holds 11U in the HostList Server Room" width="340" height="80" loading="lazy"></a>Longest hold: Email Hosting, held 30 days. The wall moves on the nightly HRI recompute, never on payment.
Where Proton Ranks
Live positions across the HostList Best rankings, by HRI™. Positions are earned, never bought.
Waiting on data
HostList only shows what it can verify. Each of these sections appears the moment the data exists.
Interview
No WP Legends interview recorded with Proton.Deals
No active deals. Deals appear once Proton claims this profile and posts them.Claim to post dealsFrequently Asked Questions About Proton
Is Proton a good email hosting provider?
Proton has a HRI™ of 86/100 on HostList.io with a Google rating of 5/5 from 6 reviews, placing it among the better-rated providers in its category. HRI (HostList Ranking Index) is calculated algorithmically from trust signals, profile completeness, data freshness, and performance data, no provider can pay to improve it. A score of 80–89 indicates a strong, well-reviewed provider.
What type of provider is Proton?
Proton is an email hosting provider listed in HostList's Email Hosting directory. Email hosting runs professional mailboxes on a custom domain separately from website hosting. Browse the independent ranking at hostlist.io/best/email-hosting.
Where is Proton based?
Proton is headquartered in Geneva, Switzerland. Email hosting providers are ranked at hostlist.io/best/email-hosting.
How does Proton compare to other email hosting providers?
Proton is ranked against other email hosting providers by HRI™, using trust, completeness, freshness, and performance signals. Its current HRI is 86/100. See the full provider list at hostlist.io/best/email-hosting.
How Proton's Score Is Calculated
HRI is calculated algorithmically based on publicly available data. It considers trust signals (reviews, ratings), data completeness, freshness of information, and technical performance. No host can pay to improve their score.
Full methodology →