20 Best European Gmail Alternatives in 2026

Tuta is a German encrypted email, calendar, and contacts service that applies end-to-end and zero-knowledge encryption to everything — including subject lines, metadata, and calendar entries that most "encrypted" services leave exposed. Founded in Hannover in 2011, it is the only major email provider to have implemented post-quantum cryptographic algorithms to protect against future decryption attacks.

Available on web, Android, iOS, Windows, macOS, and Linux, Tuta encrypts all data automatically with no plugins or setup. A forever-free plan covers a single inbox, while paid tiers add custom domains, unlimited alias addresses, and shared team inboxes with admin controls.

Key benefits:

• Full E2E encryption covering subject lines, metadata, and calendar event details
• Post-quantum cryptography protecting stored data against future quantum attacks
• Zero-knowledge calendar — even Tuta cannot read your appointments
• No tracking, no ads — 100% subscription-funded with no data monetisation
• Unlimited email aliases on paid plans for inbox compartmentalisation
• Custom domains for individuals and business teams
• Open-source clients for independent cryptographic verification
• Forever-free plan with a @tuta.com address and no expiry

Developed and hosted entirely in Hannover, Germany, under strict GDPR and German data protection law. Tuta runs on 100% renewable energy, has no ties to advertising networks or data brokers, and stores all data on servers in Germany. No data is ever shared with or accessible by third parties.

Trusted by 10,000+ businesses, financial institutions, and human rights organisations who need provably private communication beyond what standard email providers offer.

StartMail provides a private, encrypted email service designed to keep personal and business correspondence free from tracking and profiling — includes unlimited disposable aliases and one-click PGP encryption. Messages can be sent password-protected to any recipient, including those outside StartMail, giving users practical encryption without forcing the other side to install anything.

Accounts are accessible through the web interface and any standard IMAP client, including Thunderbird, Apple Mail, Outlook, and K-9 Mail on mobile. Accounts include 20GB of storage for personal plans and 30GB for business, and the service never scans message contents, serves ads, or builds behavioural profiles on its users.

Key benefits:

• Unlimited disposable aliases for blocking spam and isolating signups
• Password-protected encrypted messages deliverable to any recipient
• Full PGP support with one-click key management
• No tracking or profiling — no ads, no content scanning
• IMAP and SMTP access via Thunderbird, Apple Mail, Outlook, and K-9
• Easy migration from Gmail, Outlook, and other providers

StartMail is headquartered in Zeist, Netherlands, founded in 2014 by the team behind the Startpage search engine. Mailboxes are hosted on Dutch-owned servers in the Netherlands, protected by strict Dutch privacy law and EU GDPR, with no US entity able to compel disclosure of user data.

Proton Mail is a Swiss encrypted email service that protects conversations with end-to-end encryption and zero-access storage, meaning even Proton cannot read your messages or attachments. Built by the team behind CERN-era cryptography research, it replaces Gmail with a privacy-first inbox that blocks trackers, hides your IP, and lets you sign up without a phone number.

The platform runs on open-source, independently audited code and uses OpenPGP under the hood, interoperable with any PGP client. Web, desktop, Android, and iOS apps share the same vault, and extras like PhishGuard, password-protected external messages, hide-my-email aliases, scheduled send, snooze, and undo send round out a polished daily-driver experience.

Key benefits:

• End-to-end encryption keeps message bodies and attachments unreadable to Proton and intruders.
• Zero-access architecture encrypts stored mail with keys only the user controls.
• Tracker and phishing protection strips pixels and flags impersonation automatically.
• Custom domains supported on Mail Plus (1) and Proton Unlimited (3) plans.
• Hide-my-email aliases mask your real address when signing up for services.

Proton is headquartered in Geneva and operates its own datacenters in Switzerland, shielded by the Swiss Federal Act on Data Protection and outside EU and US jurisdiction for user-content requests. The service is GDPR-compliant, ISO 27001-certified, and fully open source on every client.

Trusted by over 100 million accounts and 100,000 organizations, Proton Mail is ideal for journalists, activists, lawyers, and anyone who wants Gmail-grade polish without ad-driven surveillance.

mailbox.org delivers secure German email bundled with Drive, Meet, and an office suite, positioning itself as a full productivity replacement for Gmail and Microsoft 365. The Berlin-based provider encrypts mail in transit and at rest, supports OpenPGP and S/MIME natively in its webmail, and offers a guard-tower UI that keeps keys, aliases, and filters within reach.

Behind the scenes, accounts integrate contacts, calendars, cloud storage with redundant backup, video conferencing, and collaborative document editing, all hosted on a single domain. Custom-domain support is available from the Standard tier upward, and a generous alias system (50 to 250 per mailbox) lets users compartmentalise identities without juggling accounts.

Key features:

• PGP and S/MIME built directly into the browser, with managed keyrings.
• Encrypted mailbox storage shields inboxes even from mailbox.org staff.
• Integrated Drive, Office, and Meet for a GDPR-safe productivity stack.
• Custom domains and 50-plus aliases included from the Standard plan.
• Spam and malware filtering tuned for German business compliance needs.

All data is stored exclusively in certified German datacenters, placing the service under GDPR, the German Federal Data Protection Act, and BSI C5 Type 1 oversight. mailbox.org holds ISO 27001 certification and publishes an annual transparency report detailing every government request.

Ideal for European SMBs, freelancers, and public-sector teams that want Microsoft-style collaboration without exporting their data to US clouds.

Migadu takes a flat-fee, domain-first approach to email hosting, letting customers consolidate unlimited addresses across unlimited domains under a single predictable subscription. The Swiss provider skips the per-mailbox counting game and focuses on standards-compliant SMTP, IMAP, POP3, and webmail access so users keep working with whatever client they already love.

The platform ships built-in DNS with pre-configured MX, SPF, DKIM, and DMARC records, SIEVE-based filtering, identity aliases, multi-admin delegation, and continuous backups. Postmaster support is handled directly by the engineering team with no outsourced tier-one, and everything runs on Migadu's own infrastructure rather than a reseller stack.

Key advantages include:

• Unlimited aliases and identities per domain on every paid plan.
• Flat, domain-based pricing instead of per-user seat charges.
• Full TLS encryption for all inbound, outbound, and internal traffic.
• Self-serve DNS management with email records preconfigured.
• Direct postmaster access from senior engineers, not a call centre.

Migadu is registered in Switzerland and operates under the Swiss Federal Act on Data Protection, with all customer data stored on European infrastructure. The service is GDPR-compliant and built on open standards, so moving in or out with standard IMAP migration tools is straightforward.

Serving web agencies, startups, families, and NGOs worldwide since 2014, Migadu suits anyone who runs multiple brands, projects, or family domains and is tired of paying per seat.

Runbox is Norway's longest-running independent email host, pairing privacy-by-law protection with a carbon-negative infrastructure powered entirely by Norwegian hydroelectricity. Running since 1999, it offers a traditional, reliable webmail plus full POP, IMAP, and SMTP access so subscribers can use Thunderbird, Apple Mail, or any other client without lock-in.

Accounts include two-factor authentication, Perfect Forward Secrecy on all TLS connections, and PGP encryption for end-to-end confidentiality between subscribers and external OpenPGP contacts. Higher-tier plans bundle custom-domain hosting (up to 25 domains on Max), larger storage, and enhanced forwarding rules, while shared address books and calendars keep teams synced.

Key benefits:

• Norwegian privacy law requires a local court order before any data disclosure.
• 100% renewable hydropower runs every server, backed by tree-planting offsets.
• PGP and Perfect Forward Secrecy secure messages in transit and at rest.
• Multiple custom domains supported from entry-level plans upward.
• Open standards keep IMAP, POP, and SMTP clients fully interoperable.

Runbox Solutions AS is headquartered in Oslo and stores customer data in a high-security Norwegian datacenter, inside the EEA and fully covered by GDPR as well as Norway's own privacy framework. Transparent practices, subscriber-funded revenue, and no advertising keep incentives aligned with users, not data brokers.

Trusted by subscribers worldwide since 1999, Runbox suits sustainability-minded professionals and families who want a stable, ethically run Gmail alternative.

Kolab Now provides secure, collaborative Swiss email alongside shared calendars, contacts, files, and notes built on the open-source Kolab Groupware stack. Operated by Apheleia IT AG in Zurich, it positions itself as a European replacement for Google Workspace and Exchange, with every feature wired into a single webmail that supports ActiveSync, IMAP, CalDAV, and CardDAV.

Under the hood, Kolab runs 100% free software including Cyrus IMAP, Roundcube, and its own groupware engine, letting power users plug in Thunderbird, Outlook, or any standards-compliant client. Individual plans scale from personal mailboxes with custom domains to team spaces with shared folders, delegated calendars, and file storage.

Key features:

• Full groupware suite covering mail, calendar, contacts, tasks, notes, and files.
• Open-source foundations auditable end to end, with no proprietary lock-in.
• TLS and at-rest encryption with optional PGP for message-level privacy.
• ActiveSync, CalDAV, and CardDAV for seamless mobile and desktop sync.
• Custom domains and shared team folders available on business tiers.

Servers are located exclusively in Switzerland, placing customer data under the Swiss Federal Act on Data Protection and outside EU and US legal reach. Kolab Now is GDPR-aligned, publishes an open privacy policy, and never analyses mail content for advertising or profiling.

Ideal for NGOs, associations, and privacy-conscious teams that need Exchange-class collaboration without ceding data to hyperscalers.

Mailo is a French email service that combines a family-friendly webmail with calendar, address book, and cloud storage, operating under the motto "the mail service which respects you." It never reads user messages, sells data, or serves targeted ads, funding itself instead through optional Premium subscriptions and a transparent freemium model.

The platform supports IMAP4, POP3, and Exchange ActiveSync so any desktop client or smartphone app can connect, and its webmail includes integrated contacts, a shared calendar, document sharing, and a dedicated Mailo Jeunes space designed for children with parental controls. Account migration tools import Gmail, Yahoo, and Outlook archives in a few clicks.

Key benefits:

• No tracking, no ads, no data sale on free or paid plans.
• Full TLS encryption in transit with secure French server storage.
• Family plans and Mailo Jeunes for safe child-friendly mailboxes.
• Premium tier from €1/month with 20 GB mail storage expandable to 500 GB.
• Up to 100 aliases on Premium for compartmentalised identities.

All infrastructure is hosted on secure servers physically located in France, placing the service squarely under GDPR and French data-protection law. Mailo is an independent company with no ties to advertising or cloud conglomerates, publishing clear terms and handling support entirely in-house in French and English.

A strong pick for French-speaking households, associations, and freelancers who want an honest, locally operated inbox without Google's ecosystem.

GMX offers free German webmail with 65 GB of storage, integrated cloud drive, online office, and PGP-encrypted messaging built directly into the browser client. Part of the United Internet group, GMX carries the "E-Mail made in Germany" seal that guarantees hop-by-hop TLS between participating German providers and domestic-only data storage.

The service combines a classic inbox with Mail Collector for aggregating external accounts, browser extension MailCheck for instant notifications, a 50 MB attachment limit, antivirus and spam filtering, calendar and contacts, and a lightweight online office suite for documents and spreadsheets. Free accounts are ad-supported, while ProMail and TopMail tiers remove ads and add custom domains.

Key features:

• PGP end-to-end encryption available directly in the native webmail.
• 65 GB free storage with built-in cloud drive and online office.
• Mail Collector and MailCheck centralise every inbox into one view.
• Antivirus and spam filtering applied to all incoming traffic automatically.
• Custom domains on ProMail for professional personal addresses.

All GMX infrastructure runs exclusively in Germany, certified under "Internet made in Germany," "E-Mail made in Germany," and "Cloud made in Germany" initiatives. Data handling follows GDPR and the German Federal Data Protection Act (BDSG), and the parent company publishes transparency information on government requests.

With tens of millions of accounts across Europe and the US, GMX suits mainstream users who want a free, full-featured Gmail alternative hosted entirely on German soil.

Mailfence delivers true OpenPGP end-to-end encrypted email from Belgium, pairing private messaging with integrated calendars, documents, contacts, and groups in one browser-based suite. Run by ContactOffice Group, it has operated independently since 1999 and positions itself as the interoperable alternative to walled-garden encrypted inboxes.

Encryption happens client-side in the browser so plaintext never reaches Mailfence servers, and the built-in OpenPGP keystore manages key generation, import, export, and digital signatures. Users access mail via web, POPS, IMAPS, SMTPS, ActiveSync, or mobile apps, meaning Thunderbird, K-9, and Apple Mail all work out of the box.

Key advantages include:

• Browser-side OpenPGP encryption fully interoperable with other PGP services.
• Digital signatures and keystore generate and verify keys without extra plugins.
• Integrated calendar, documents, and groups for end-to-end encrypted collaboration.
• Custom domains from the Base tier scaling to 200 aliases on Ultra.
• No ads, trackers, or backdoors funded purely by paid subscriptions.

Servers are located exclusively in Belgium, where strict privacy law requires a Belgian judicial order before any data disclosure and data never leaves EU jurisdiction. Mailfence is GDPR-compliant, contributes a share of paid-plan revenue to the EFF and EDRi, and publishes an ongoing transparency report.

Recommended for professionals, lawyers, and activists who need interoperable PGP with a familiar groupware experience, not a proprietary silo.

Disroot is an Amsterdam-based collective offering donation-funded email alongside a full suite of federated, privacy-respecting services for anyone who wants out of corporate platforms. Founded in 2015 by volunteers Muppeth and Antilopa, it bundles mail with cloud storage (Nextcloud), XMPP chat, collaborative pads, CryptPad, paste bin, file upload, Git hosting, and more on a single account.

Every service runs on 100% free and open-source software that users and outside developers can audit, fork, or self-host. The email service supports IMAP, SMTP, and standard webmail with Rainloop, and sensitive tools like CryptPad, Upload, and the paste bin use end-to-end encryption so Disroot administrators themselves cannot read the content.

Key features:

• Donation-based funding with no ads, no tracking, and no data mining.
• Encrypted storage options on Nextcloud, CryptPad, Upload, and Paste Bin.
• Federated protocols including XMPP, Matrix bridging, and ActivityPub.
• One login for a dozen services spanning mail, chat, files, and collaboration.
• Fully open-source stack auditable by the community, hosted transparently.

Disroot is based in Amsterdam and hosts its infrastructure in the Netherlands under strict GDPR protection and Dutch privacy law. The project openly publishes its terms, finances, and admin team, and a Tor onion address is available for users who need anonymity at the network layer.

Ideal for activists, educators, collectives, and individuals aligned with decentralisation and free-software principles over the convenience of Big Tech.

Soverin frames your mailbox as a digital castle — a private, ad-free email home built on open standards rather than attention-harvesting. No tracking pixels, no behavioural profiling, and no inbox scanning. It is a paid service that funds itself purely through subscriptions, so the product you get is genuinely email rather than a surveillance layer wrapped around email.

Under the hood, Soverin stacks the modern deliverability and transport-security toolkit: DKIM, SPF, DMARC, DANE, DNSSEC and HSTS run by default, and connections are always TLS-encrypted. Sending IPs are stripped from outgoing headers, custom domains are welcome with no lock-in, and a randomised @sinenomine.email alias lets you register elsewhere without exposing your real address.

Key benefits:

• Unlimited aliases route mail without fragmenting your identity across accounts
• Bring your own domain with no vendor lock-in or forced migrations
• 25 GB storage per mailbox with optional extra mailboxes at modest annual rates
• Two-factor authentication hardens logins against credential stuffing
• 30-day money-back guarantee for cautious switchers leaving Gmail

Soverin is headquartered in the Netherlands and hosts mail in Dutch data centres, keeping every message inside the EU and out of reach of the US CLOUD Act. Operations are certified to ISO 27001, ISO 14001 and ISO 9001, with NIS2 readiness and full GDPR alignment.

For anyone tired of renting their inbox from an ad network, Soverin offers a calm, sovereign alternative that treats email as infrastructure rather than inventory.

inbox.eu delivers spam-free European email paired with cloud storage, aimed at users who want a simple, well-priced Gmail alternative without the ad ecosystem. The service has been running since 2002 and processes tens of millions of messages each week, so reliability is battle-tested rather than speculative — a rare quality in the newer privacy-mail wave.

The experience is deliberately uncluttered: responsive webmail, mobile-friendly layouts, and IMAP/SMTP for desktop clients like Thunderbird, Outlook or Apple Mail. Encrypted connections, aggressive anti-spam filtering, and a policy of never disclosing private data form the privacy backbone, while free aliases and optional custom-domain business inboxes scale the account to a household or small team.

Key features:

• Free email aliases separate newsletters, shopping and identity without extra accounts
• Custom domains available on business plans for professional branded addresses
• Integrated cloud storage keeps attachments and documents inside the same Latvian estate
• Cross-device webmail works cleanly on phone, tablet and desktop
• 60-day money-back guarantee removes the risk of trying a new provider

inbox.eu is operated from Riga, Latvia, placing the service squarely under EU jurisdiction and GDPR. Data is held on European infrastructure, with no sub-processing into jurisdictions that permit bulk government access, and a published privacy policy spells out retention and access rules.

At roughly ten euros a year for personal accounts, it is one of the more accessible entry points for anyone moving day-to-day mail away from the major US providers without sacrificing polish.

Posteo is a Berlin-based email, calendar and address-book provider powered entirely by renewable energy, built for people who want privacy and climate responsibility baked into the same service. There are no ads, no tracking, no cross-selling, and the provider has become a reference for what a quiet, ethical inbox can look like at one euro per month.

Technically, Posteo ships the full crypto stack: OpenPGP and S/MIME directly in webmail, mandatory TLS with DANE for secure routing, certificate pinning, and a one-click "crypto mail storage" option that encrypts the entire mailbox at rest. Calendars, contacts and notes can be encrypted too, so metadata is not quietly left in the clear the way it is with most providers.

Key benefits:

• Anonymous signup requires no personal data and decouples payment from account identity
• 4 GB storage with affordable upgrades and two included alias addresses
• Two-factor authentication via TOTP hardens every login
• Green energy sourced entirely from Green Planet Energy powers the whole operation
• Annual transparency reports document every government access request received

Posteo operates from Germany with servers in high-security German data centres, governed by strict federal data-protection law and the GDPR. The service holds BSI TR-03108 v2 certification for secure email transport — one of the more rigorous German trust seals — and publishes regular transparency numbers.

The result is a mailbox that quietly combines sovereignty, sustainability and serious cryptography without asking you to become a security expert to benefit from any of it.

WEB.DE is one of Germany's oldest consumer email brands, offering free and premium mailboxes, cloud storage and a broad portal of everyday digital services. Part of the United Internet group, it has served tens of millions of German households for decades and remains a default address provider for many users looking for a familiar, non-Silicon-Valley inbox.

The service pairs webmail, dedicated iOS and Android apps and standard IMAP/POP access with a tightly integrated cloud drive. WEB.DE is a founding member of the "E-Mail made in Germany" initiative, which commits participating providers to TLS-encrypted transport between members and exclusive storage and routing on German servers, making it an easy step up from international free-mail for privacy-conscious users.

Key features:

• Free FreeMail tier with generous storage and optional paid Club upgrades
• E-Mail made in Germany guarantees German-only servers and mandatory TLS between members
• Mobile apps for iOS and Android with push and encrypted login
• WEB.DE Cloud consolidates attachments, photos and documents in one portal
• netID single sign-on provides a European alternative to US identity providers

Infrastructure, operations and customer data all live in Germany under United Internet AG, fully subject to the GDPR and the Bundesdatenschutzgesetz. Servers are operated in certified German data centres, and the parent group is publicly listed and headquartered in Montabaur, Rhineland-Palatinate.

For anyone who wants a mainstream, everyday Gmail replacement with a genuinely European owner and a long-standing German footprint, WEB.DE is one of the most accessible on-ramps available.

Evromail offers ad-free personal email with a catalogue of country-specific domains — @evromail.no, @evromail.de, @evromail.fr and around twenty others — so your address quietly reflects where you live rather than where a Californian provider is headquartered. Mailboxes have been running since 2003, making Evromail one of the older independents in the European inbox space.

Operationally, the product is deliberately traditional: a multilingual webmail interface supporting 80+ languages, calendar and contacts, filters, auto-responders, and standard IMAP/SMTP access for Outlook, Apple Mail, Thunderbird, iOS and Android. All traffic rides SSL/TLS, outgoing mail is encrypted in transit, and the provider commits in writing to never scan or sell message content.

Key advantages include:

• 20 country-specific domains let Europeans pick an address that matches their locale
• Human support reachable by phone, email and chat in English
• No data scanning or ad-targeting of any kind, ever
• 10 GB storage with a 30-day automatic backup window
• Multi-device sync across desktop clients, webmail and mobile apps

Evromail is operated from Norway, with email infrastructure hosted in European data centres in Germany and France. That keeps every message inside EU and EEA jurisdictions, well outside the reach of the US CLOUD Act, and aligned with European data-protection norms throughout the processing chain.

With a fixed annual price, no upselling and more than twenty years of continuous operation, Evromail is a calm, low-drama alternative for users who want an email provider that simply stays out of their way.

mail.de is a German email specialist focused on strong cryptography and serious anti-spam, running everything from a free mailbox up to a power-user plan with effectively unlimited storage. Founded in 2011 and operated entirely from Germany, it targets users who want a proper security posture rather than a lightly branded reskin of a US mailbox.

The technical sheet is unusually thorough for a consumer provider: OpenPGP and S/MIME end-to-end encryption, TLS/SSL everywhere, DKIM signatures, DANE/TLSA for authenticated transport, Perfect Forward Secrecy, and two-factor authentication with U2F hardware keys or TOTP apps. Webmail, iOS and Android apps, CalDAV/CardDAV sync and optional SMS and fax round out the day-to-day toolkit.

Key benefits:

• End-to-end encryption via both OpenPGP and S/MIME straight from the webmail UI
• U2F hardware key support for phishing-resistant two-factor login
• Up to 30 aliases on premium tiers segment identity across work, signups and personal use
• Scaling storage from 500 MB on the free tier to unlimited on PowerMail
• Professional anti-spam and virus scanning tuned for German inbox norms

mail.de is run from Germany, with servers hosted in high-security German data centres and operations aligned with the GDPR and the country's strict telemedia and data-protection regimes. The service carries the BSI IT-Sicherheitskennzeichen (recently upgraded to Gold status in 2025) and a DATATREE AG privacy certification.

For users who want the rigour of a security-focused mailbox without leaving the open standards of IMAP, SMTP and PGP, mail.de is a quietly capable German choice.

eclipso bundles European email, cloud storage and an online office into a single privacy-first account, aimed at users who want a full productivity stack without reaching for Gmail or Microsoft 365. The mantra on the homepage — "Your E-Mail. Your Cloud. Your Office." — captures the product honestly: a coherent mini-suite with one login and one German operator behind it.

Security is built around OpenPGP and S/MIME end-to-end encryption, SSL/TLS transport, two-factor authentication, and strict data-minimisation practices. Standard IMAP, POP3 and SMTP keep the service compatible with every desktop and mobile mail client, while calendar, contacts, to-do lists, notes, cloud drive, photo albums and even SMS and fax sit alongside in the webmail shell.

Key features:

• End-to-end encryption via OpenPGP and S/MIME available on every paid tier
• Custom domains included from the Connect plan upward for branded addresses
• Up to 51 email addresses on Business for households, clubs or small teams
• Scalable storage from 4 GB on Freemail to 100 GB on Business
• Prepaid billing with no auto-renewing subscriptions or surprise charges

eclipso is operated from Bayreuth in Bavaria, Germany, with servers located exclusively in the country. That places every account under the GDPR and German federal data-protection law, and the "Made in Germany" positioning is backed by in-country infrastructure rather than marketing language.

For users who want a single European home for mail, files and lightweight documents — without moving between half a dozen different logins — eclipso remains one of the better-value all-in-one options on the continent.

mosa.cloud is a Dutch collaborative workspace whose mail module delivers team email with shared inboxes alongside docs, drive, video meetings, chat and spreadsheets. Named after the Mosa (Meuse) river in Maastricht, it positions itself as a sovereign alternative to Google Workspace and Microsoft 365 rather than a standalone inbox, so the email experience is tightly woven into the rest of the suite.

The stack is built on top of La Suite Numérique, the open-source workspace developed jointly by the French, German and Dutch governments and already used by over 200,000 French public servants. Mail ships with AI-assisted organisation, shared team inboxes, federated Matrix-based chat via Element, Collabora-powered document editing and kDrive-style file storage, all under one pay-per-usage billing model.

Key advantages:

• Shared team inboxes route support and sales mail to a group rather than a person
• AI-assisted triage summarises threads and surfaces the messages that actually need you
• Integrated Docs, Drive, Meet and Chat remove the need for parallel Google or Microsoft accounts
• Pay-per-usage pricing replaces per-seat licensing and scales with real storage and compute
• Open formats keep documents, spreadsheets and mail portable if you ever migrate away

mosa.cloud is operated from the Netherlands and runs entirely on EU-hosted infrastructure, meaning data never leaves European jurisdiction. Security controls are built to NIS2 expectations, and the underlying La Suite Numérique codebase is already trusted at national-government scale for sovereign communications.

For teams that want to replace the full Gmail-plus-Docs-plus-Meet bundle with something European, open-source and transparently priced, mosa.cloud is one of the most coherent options available.

Infomaniak Mail is the Swiss messaging service from a founder- and employee-owned cloud group with more than 30 years of infrastructure experience and over three million mailboxes under management. It is built for users who want Gmail-grade polish and reliability, but with every byte of data held exclusively inside Switzerland and governed by Swiss rather than US law.

The product covers personal, professional and team use through individual mail addresses and the broader kSuite bundle, which layers unlimited inbox storage, a kDrive file service, calendars, contacts and tasks on top. One-click OpenPGP and ECC encryption, SPF, DKIM, DMARC filtering and attachments of up to 3 GB via kDrive make it as capable as any mainstream provider, with custom domains available throughout.

Key benefits:

• One-click OpenPGP encryption keeps sensitive threads readable only by the recipient
• Custom domain support turns any mailbox into a professional [email protected] address
• Unlimited email storage across all paid kSuite tiers ends the mailbox-full era
• 3 GB attachments via native kDrive integration replace clunky WeTransfer workflows
• 30-day recovery protects against accidental deletion and ransomware incidents

Infomaniak runs its own data centres in Switzerland, replicating customer data across multiple Swiss sites and operating under the Swiss Federal Act on Data Protection (FADP), the GDPR and EPRA rules for sensitive medical correspondence. The platform is ISO 27001 certified, carbon-neutral, and refuses to monetise user data as a matter of company policy.

For anyone who wants the sovereignty of Swiss hosting without giving up modern features or familiar ergonomics, Infomaniak Mail is one of Europe's most credible Gmail alternatives.