European & open-source Email
33 European and open-source email tools — alternatives to the usual US software, built and hosted in Europe.
Updated 14 Sep 2026 · refreshed weekly
Acumbamail
Spanish email marketing and SMS platform from Ciudad Real, with 800+ templates and a generous free tier aimed at small businesses.
Brevo
An all-in-one customer engagement platform that provides email and SMS marketing, CRM, automation, live chat, and transactional…
CleverReach
German email marketing platform from Rastede with 300,000+ customers, offering GDPR-compliant newsletters, automation and…
Copernica Marketing Suite
An all-in-one email marketing and marketing automation platform that allows users to develop and send personalized templates with…
eM Client
A full-featured email client for Windows and Mac that synchronizes with various email services, offering email, calendar…
GetResponse
Email marketing and automation platform with landing pages and webinars.
Grommunio
An open-source communication and collaboration platform that integrates email, calendars, contacts, tasks, chat, video meetings…
Keila
Open-source newsletter and email campaign tool from Germany (Keila GmbH) you can self-host.
Kolab Now
A web-based email and groupware service that provides secure and private email accounts, calendars, address books, video…
KDE Kontact
A personal information management suite that unifies applications for email, address books, calendars, and tasks into a single…
Lettermint
This service provides a secure and reliable platform for sending transactional and broadcast emails, ensuring they consistently…
Mailbox.org
This service provides a secure and GDPR-compliant digital workspace, offering email, cloud storage, office applications, and…
Mailcoach
Self-hosted email marketing platform by Belgian Laravel consultancy Spatie, offering newsletters, drips and transactional email…
MailerLite
Email marketing platform with automation, landing pages and newsletters.
Mailfence
A secure and private email service offering encrypted email, calendars, documents, and collaboration tools, emphasizing user…
Mailjet
Paris-based email marketing and transactional email platform, now part of Swedish Sinch.
MailProfessionale
This service provides professional email hosting, allowing businesses to use their own domain for email communications, and…
MailUp
Italian email and SMS marketing platform (Growens S.p.A.) with unlimited sends and contacts on all plans plus multichannel…
Migadu
Independent Swiss email host with flat-rate, standards-based mailboxes on open-source infrastructure.
Open-Xchange
This platform provides email, calendar, and collaboration tools, offering a familiar experience for daily work across various…
Plunk
Belgian open-source email platform (AGPL-3.0) for transactional and campaign email on EU infrastructure, with usage-based pricing…
Posteo
A paid email service provider that offers secure, ad-free email accounts, calendars, and other features, emphasizing…
Proton Mail
It provides a secure and encrypted email service, offering privacy by default and protecting user data under strong Swiss privacy…
ProtonMail
Proton Mail is an email service that offers privacy and encryption, providing a secure alternative to traditional email providers…
rapidmail
German email marketing platform focused on simple newsletter creation, GDPR compliance and flexible pay-as-you-go pricing.
Runbox
Privacy-focused Norwegian email and webmail provider, employee-owned, with servers in Oslo.
Sarbacane
French multichannel marketing platform (Positive Group) covering email, SMS, WhatsApp, automation and landing pages, with data…
Sender.net
This platform provides email marketing services, offering tools to build, automate, and analyze email campaigns for businesses…
Soverin
Soverin provides private email services with a focus on security, privacy, and custom domains, offering ample storage and…
StartMail
A secure and encrypted email service that allows users to create disposable email addresses to protect their inboxes from spam…
Sweego
French transactional email and SMS API platform by Mindbaz, offering REST and SMTP with real-time webhooks, processed in French…
Tuta
An end-to-end encrypted email, calendar, and contacts service that stores all user data encrypted on its own servers.
Tutanota
An end-to-end encrypted email and calendar app that automatically encrypts all user data with post-quantum cryptography, making…