https://rspamd.com/
Rspamd offers enterprise-grade email security, built on the powerful open-source spam filtering system with advanced features and dedicated support.
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https://www.proofpoint.com/us/products/email-protection/open-source-email-solution
Learn how the sendmail Sentrion platform helps organizations that are using open source for large complex environments and need an enterprise platform that...
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https://www.proofpoint.com/de/products/email-protection/open-source-email-solution
Learn how the sendmail Sentrion platform helps organizations that are using open source for large complex environments and need an enterprise platform that...
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https://addons.mozilla.org/en-US/firefox/addon/simplelogin/
Download SimpleLogin: Open-source Email Protection for Firefox. Create a different email for each website to hide your real email. Guard your inbox against...
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https://www.uma.me/
The Universal Money Address (UMA) open-source standard combines human-readable Lightning Addresses and enhanced messaging services with the Lightning...
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https://www.xda-developers.com/open-source-email-clients-that-could-replace-gmail/
The Gmail web interface is usually fast and easy, but your needs may leave you wanting here. Here are open-source email clients to replace Gmail.
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https://www.helpnetsecurity.com/2013/08/27/open-source-encrypted-email-service-reaches-crowdfounding-goal/
Mailpile, the open-source web-mail client with user-friendly encryption whose developers have been asking for funding on Indiegogo, has surpassed its
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https://forwardemail.net/en
Get free email forwarding for custom domains. Send & receive as you@yourdomain.com with unlimited aliases, 10GB storage, IMAP/POP3/SMTP & 100% open-source...
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https://forwardemail.net/en/blog/docs/canonical-ubuntu-email-enterprise-case-study
Discover how Canonical streamlined email management across Ubuntu, Kubuntu, Lubuntu, and Edubuntu domains using Forward Email's open-source, quantum-resistant...
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https://contactout.com/company/open-source-for-america-email-format-1448110
The widely used Open Source for America email format is {first_initial}{last}@opensourceforamerica.org (e.g. jsmith@opensourceforamerica.org), which is used...
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https://itsfoss.com/open-source-web-based-email-clients/
Email services are here to stay, even if decentralized tech takes over the internet. However, with big tech trying to control everything new aspect of emerging...
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https://forwardemail.net/en/blog/docs/why-open-source-email-security-privacy
Explore why open-source email solutions are superior to closed-source alternatives.
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