# Sylpheed privacy rating

Lightweight GTK email client for Linux, Windows and macOS with POP3, IMAP and SMTP support, junk mail filtering and GnuPG encryption.

## Summary

Sylpheed scores 72 out of 100 (grade C) on the email clients criteria. It meets 6 of 8 criteria: open source, no ads or data sales, OpenPGP support, connects directly, blocks remote content and works with any provider. It does not meet no trackers or telemetry and independent audit.

- Website: https://sylpheed.sraoss.jp/en/
- Source code: https://github.com/sylpheed-mail/sylpheed
- Platforms: Linux, Windows, macOS
- Home page trackers: Google Analytics, Google Tag Manager
- Category: [Email clients](https://privacyratings.com/email-clients/)
- Grade: C (72/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | GPL-2.0, with the LibSylph library under LGPL. | https://github.com/sylpheed-mail/sylpheed/blob/main/LICENSE |
| No trackers or telemetry | No | The application has no telemetry, but the website loads Google Analytics. | https://sylpheed.sraoss.jp/en/ |
| No ads or data sales | Yes | Free software. No ads. | https://sylpheed.sraoss.jp/en/ |
| Independent audit | No | No independent audit is published. |  |
| OpenPGP support | Yes | Signing and encryption with GnuPG are built in. | https://sylpheed.sraoss.jp/en/features.html |
| Connects directly | Yes | Connects directly to POP3, IMAP and SMTP servers. No vendor service is involved. | https://sylpheed.sraoss.jp/en/features.html |
| Blocks remote content | Yes | HTML mail is converted to plain text for display, so remote content is never loaded. | https://github.com/sylpheed-mail/sylpheed/blob/main/libsylph/html.c |
| Works with any provider | Yes | Works with any POP3, IMAP and SMTP provider. | https://sylpheed.sraoss.jp/en/features.html |

Source: https://privacyratings.com/email-clients/sylpheed/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/email-clients/sylpheed.md