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Mailove

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What Mailove is

Mailove is a free, open-source desktop email client for Linux with a KDE-first design and offline access. It connects multiple accounts through IMAP or JMAP and sends messages using SMTP. Gmail and Microsoft 365 accounts can authenticate with passwords or OAuth 2. Mailove stores headers, read message bodies, and folders in SQLite, supporting offline full-text and case-insensitive regular-expression searches. Composition includes rich text, pasted images, attachments, signatures, and drafts that can resume. GnuPG support covers signed and encrypted mail, key management, and WKD discovery. The HTML viewer disables JavaScript, plugins, and local-file access, and blocks remote requests until permission is given for a message. Heuristic spam rules address impersonation, phishing links, and dangerous attachments. DKIM, SPF, DMARC, COMPAUTH, and ARC checks appear in the viewer and spam scoring. MBOX folders, including Thunderbird, Evolution, and KMail archives, can be imported as offline accounts.

Who it suits

Mailove suits Linux users who want a desktop client for multiple IMAP or JMAP accounts, offline search, and security controls. It is also relevant for people managing encrypted mail or importing MBOX archives.

What it does well

  • Free and open source
  • Supports IMAP and JMAP accounts
  • Offline SQLite cache with full-text search
  • GnuPG signing and encryption support
  • Imports MBOX archives as offline accounts

What to know first

  • Linux platform only
  • Remote content requires per-message opt-in
  • Spam filtering uses heuristic rules

Verdict

Mailove combines broad account support, offline searching, message-security features, and archive import in a Linux desktop client. Its KDE-first focus and Linux-only availability will matter when choosing it.

Facts from Mailove's own pages

Accounts and protocols
It supports multiple accounts using IMAP, JMAP, Gmail OAuth 2, and Microsoft 365 OAuth 2. · github.com, 12 Oct 2026
App coverage
desktop · github.com, 20 Sept 2026
Archive import
It can import folders of MBOX files as an offline account, including subfolders and Thunderbird .sbd naming. · github.com, 12 Oct 2026
Compose and send
It sends mail through SMTP and supports rich text, pasted images, attachments, signatures, and resumable drafts. · github.com, 12 Oct 2026
Credential storage
The project says passwords and OAuth tokens are stored in KWallet via Qt6Keychain. · github.com, 12 Oct 2026
Downloads
The project says it is packaged as DEB, RPM, and AppImage downloads. · github.com, 12 Oct 2026
Email providers
It supports password or OAuth 2 authentication for Gmail and Microsoft 365. · github.com, 12 Oct 2026
Encryption
It can read and send signed or encrypted mail through GnuPG, with key management and WKD key discovery. · github.com, 12 Oct 2026
Import
It imports MBOX folders as offline accounts, including archives from Thunderbird, Evolution, and KMail. · github.com, 12 Oct 2026
License
The project lists its license as LGPL 3.0. · github.com, 12 Oct 2026
License and maker
The project identifies Daniel Duris as its copyright holder and lists the LGPL 3.0 license. · github.com, 12 Oct 2026
Mail protocols
It supports IMAP and JMAP, including multiple accounts, and sends mail through SMTP. · github.com, 12 Oct 2026
Maker
The project credits Daniel Duris as its maker. · github.com, 12 Oct 2026
Message safety
The HTML message viewer disables JavaScript, plugins, and local-file access, and blocks remote requests until the user opts in for that message. · github.com, 12 Oct 2026
Message security
HTML messages render with JavaScript, plugins, and local-file access disabled, while remote requests are blocked until opted into for each message. · github.com, 12 Oct 2026
Offline access
Yes · github.com, 20 Sept 2026
Offline mail
It caches headers, read message bodies, and folders in SQLite for offline access and full-text search. · github.com, 12 Oct 2026
Offline search
It caches message headers, read bodies, and folders in SQLite for offline access, with full-text search and case-insensitive regex search. · github.com, 12 Oct 2026
OpenPGP
It supports reading and sending signed or encrypted mail through GnuPG, with key management and WKD discovery. · github.com, 12 Oct 2026
Product
Mailove describes itself as a fast, security-minded, KDE-first email client. · github.com, 12 Oct 2026
Sender authentication
It verifies DKIM, SPF, DMARC, COMPAUTH, and ARC, showing results in the viewer and using them in spam scoring. · github.com, 12 Oct 2026
Sender verification
It verifies DKIM, SPF, DMARC, and COMPAUTH, validates ARC chains, and shows results in the message viewer and spam score. · github.com, 12 Oct 2026
Spam handling
Its spam filter uses heuristic rules for threats including impersonation, phishing links, and dangerous attachments. · github.com, 12 Oct 2026
Support
The security policy asks vulnerability reporters to email [email protected]. · github.com, 12 Oct 2026

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