Mailum

What is Mailum

Mailum is a privacy-focused email provider positioning itself as a more secure alternative to mainstream encrypted services like ProtonMail. As of 2026-05-30, the service advertises itself under the tagline "Secure Encrypted Email Service | Private & Anonymous Email" and emphasizes registration without identity verification or phone number requirements.

The service appears to have emerged from or share lineage with CyberFear, based on Reddit discussions referencing "CyberFear's Mailum" service. Mailum offers both free and paid tiers, with the free plan reportedly restricted to receiving emails and sending only to other Mailum addresses-a significant limitation noted in Privacy Guides forum discussions.

How no-KYC is it

Mailum operates with no KYC requirements. The official site explicitly states "No KYC, no phone verifications" for account creation. Registration requires only a username and password, with no government ID, phone number, or real-name policy enforced.

This makes Mailum genuinely KYC-free at the account level. The service does not appear to conduct any identity verification for free or paid users based on current evidence. Anonymous access is further supported through Tor connectivity, though the official site crawl did not surface a specific .onion address in the provided evidence.

Privacy & security

Mailum's primary technical claim is encrypting all four elements of an email plus metadata-body, subject, sender, recipient, and timestamp-where competitors typically encrypt only the body. The service describes this as "the most complete encryption" and "zero-knowledge architecture."

Additional privacy features mentioned across sources include:

• PGP support for interoperability
• Tor support for anonymous access
• No ads, trackers, or IP logs (per third-party reviews)
• Open-source code (claimed, though specific repository links were not surfaced in the crawl)
• Hardware security token support including YubiKey and U2F (mentioned in one third-party review, though not confirmed on the official site)

One third-party review mentioned "homomorphic encryption," though this appears to be reviewer interpretation rather than official technical documentation. The official site does not use this term in the provided crawl data.

The Reddit community r/Mailum exists but shows minimal activity. A Privacy Guides forum thread from 2024 raised questions about the service's trustworthiness given its connection to OpenMailBox, which shut down. No major security breaches or incidents were found in the evidence as of 2026-05-30.

Payments, fees & limits

Mailum accepts multiple payment methods including:

• Monero (XMR)
• Bitcoin (BTC)
• Lightning Network (LN)
• Fiat options (specific methods not detailed in crawl)

The service offers a free tier with significant restrictions-primarily receive-only functionality with sending limited to internal Mailum addresses. Paid plans are available, though specific pricing was not retrievable from the official site crawl provided. Third-party reviews from 2024 described pricing as "attractive" compared to competitors, but no dollar amounts were verified.

User experience & support

Mailum emphasizes usability alongside security, with third-party reviews noting a webmail interface designed for accessibility. The service supports standard email protocols and PGP for encrypted communication with external users.

Support channels are not well-documented in the evidence. The minimal Reddit presence and lack of extensive community discussion suggests limited peer support availability. No Trustpilot or similar review aggregation presence was identified in the search results.

The official site loaded successfully as of 2026-05-30 with no reported outages.

Who it's for

Mailum suits privacy-conscious users seeking a no-KYC email alternative with cryptocurrency payment flexibility. It particularly appeals to:

• Monero users wanting to minimize financial traceability
• Users prioritizing metadata encryption beyond standard email body protection
• Those needing basic anonymous communication without phone verification

The free tier works for receive-only use cases like account registrations and newsletters, but active senders will need paid access. Users requiring established provider reputation and large community support may prefer more mature alternatives like ProtonMail or Tutanota, though those services have moved toward stricter verification in some contexts.