Email clients
Mutt privacy rating
Text-based terminal email client for Unix-like systems with built-in IMAP, POP3 and SMTP support, message threading and OpenPGP and S/MIME encryption.
Summary
Mutt scores 89 out of 100 (grade B) on the email clients criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, OpenPGP support, connects directly, blocks remote content and works with any provider. It does not meet independent audit.
Score 89 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
GPL-2.0-or-later.
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Yes
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
No telemetry or analytics in the source code.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Volunteer free software project. No ads.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.
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Yes
OpenPGP support Weight 2 of 3
Can the app encrypt and sign mail with OpenPGP, built in or through an official add-on?
OpenPGP and S/MIME are built in, through GnuPG or GPGME.
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Yes
Connects directly Weight 3 of 3
Does the app connect directly to your mail server, without passing mail or passwords through the vendor's servers?
Connects directly to IMAP, POP3 and SMTP servers. No vendor service is involved.
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Yes
Blocks remote content Weight 2 of 3
Are remote images and tracking pixels blocked by default?
Text-based client that does not load remote content. HTML is passed to an external viewer set in mailcap.
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Yes
Works with any provider Weight 1 of 3
Does the app work with any standard IMAP and SMTP provider?
Works with any IMAP, POP3 and SMTP provider.