Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Business Email Hosting

BlueMind vs Proton Mail

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score BlueMind #4 in Business Email Hosting 8.0/10 Free plan · pricing on request Free plan✓ 3 of 3 features Visit BlueMind
Proton Mail #6 in Business Email Hosting 7.1/10 Free plan Free plan✓ 0 of 3 features Visit Proton Mail

BlueMind leads on 3 checks, Proton Mail on 0, and 1 is even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBlueMind · 8.0/10
  • Free planboth
  • Most featuresBlueMind · 3 of 3

BlueMind scores higher on our rubric for business email hosting: 8.0 against 7.1 out of 10; our editors rank them #4 and #6.

BlueMind offers admin controls; Proton Mail doesn't publish it. BlueMind offers shared mailboxes; Proton Mail doesn't publish it. BlueMind offers archiving & retention; Proton Mail doesn't publish it.

BlueMind is the better fit for organizations needing collaborative or self-hosted mail. Proton Mail is the better fit for privacy-first email users.

  • BlueMind fits best

    Organizations needing collaborative or self-hosted mail

  • Proton Mail fits best

    Privacy-first email users

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature BlueMind 8.0/10 Visit ↗ Proton Mail 7.1/10 Visit ↗
At a glance
Editor score 8.0 7.1
Ranking #4 in Business Email Hosting #6 in Business Email Hosting
Best for Organizations needing collaborative or self-hosted mail Privacy-first email users
Pricing model Free plan + paid Free plan + paid
Starting price Not published $3.99/user/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Desktop, Mobile
Platforms Web Web, Windows, macOS, Linux, iOS, Android
Support Email, Tickets, Community, Docs Email, Live chat, Tickets, Docs
Integrations 10 integrations 4 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features BlueMind 3/3 · Proton Mail 0/3
Admin controls ✓ (best) Not published
Shared mailboxes ✓ (best) Not published
Archiving & retention ✓ (best) Not published
Specs
Mailbox storage Not published 15 GB
Aliases included Not published Not published
Security controls Advanced Not published
Our review
Pros
  • Self-hosted open-source deployment with a free option for eligible users
  • Native Outlook compatibility without a connector, plus Thunderbird and mobile access
  • Shared mailboxes, archiving, calendars, administration, and migration tools
  • Encrypts messages between Proton Mail users and stored mailbox content.
  • Mail Plus adds a custom domain, 15 GB storage, and 10 aliases.
  • Web, desktop, and mobile access, plus Bridge for desktop email clients.
Cons
  • Professional subscription pricing requires contacting sales
  • The PROD subscription is required for supported versions and updates
  • Storage quotas are configured by administrators rather than fixed by plan
  • The Free plan is limited to 1 GB, one user, and one encrypted address.
  • Custom email domains require a paid plan.
  • Business administration and integrations are narrower than some alternatives.
Our verdict

BlueMind is an open-source collaborative messaging platform for companies, public-sector organizations, and large enterprises. It combines email, calendars, contacts, tasks, video conferencing, and collaboration integrations in a…

Read the review →

Proton Mail is an encrypted email service for individuals, families, and organizations that put privacy first. It encrypts messages between Proton Mail users and uses zero-access encryption for stored mailbox messages and attachments.…

Read the review →
  1. BlueMindBusiness Email Hosting 8.0Free plan · pricing on request
  2. Proton MailBusiness Email Hosting 7.1Free plan

Strengths and trade-offs

  • BlueMind — where it wins

    • Self-hosted open-source deployment with a free option for eligible users
    • Native Outlook compatibility without a connector, plus Thunderbird and mobile access
    • Shared mailboxes, archiving, calendars, administration, and migration tools

    Where it doesn't

    • Professional subscription pricing requires contacting sales
    • The PROD subscription is required for supported versions and updates
    • Storage quotas are configured by administrators rather than fixed by plan

  • Proton Mail — where it wins

    • Encrypts messages between Proton Mail users and stored mailbox content.
    • Mail Plus adds a custom domain, 15 GB storage, and 10 aliases.
    • Web, desktop, and mobile access, plus Bridge for desktop email clients.

    Where it doesn't

    • The Free plan is limited to 1 GB, one user, and one encrypted address.
    • Custom email domains require a paid plan.
    • Business administration and integrations are narrower than some alternatives.
  • BlueMind8.0/10 · Free plan · pricing on request

    A flexible collaborative mail platform for organizations that want self-hosting or hosted delivery.

    Visit BlueMindFull verdict →
  • Proton Mail7.1/10 · Free plan

    A privacy-focused email service with a free tier and paid custom-domain support.

    Visit Proton MailFull verdict →

More comparisons

All business email hosting comparisons → · Full ranking →

Guides on business email hosting

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update