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---
title: "電子郵件客戶端程式"
icon: material/email-open
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description: 這些電子郵件客戶端尊重隱私並支持OpenPGP電子郵件加密。
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cover: email-clients.webp
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---
我們的推薦清單包含支援 [OpenPGP ](encryption.md#openpgp ) 和如[Open Authorization (OAuth) ](https://en.wikipedia.org/wiki/OAuth )強認證的電子郵件用戶端 。 OAuth允許您使用 [多因素驗證 ](basics/multi-factor-authentication.md ) 並防止帳戶被盜。
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< details class = "warning" markdown >
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< summary > 電子郵件不提供前向保密< / summary >
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When using end-to-end encryption (E2EE) technology like OpenPGP, email will still have [some metadata ](basics/email-security.md#email-metadata-overview ) that is not encrypted in the header of the email.
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OpenPGP 也不支援[前向保密 ](https://en.wikipedia.org/wiki/Forward_secrecy ),這意味著如果你或收件人的私鑰被盜,所有以前用它加密的訊息都會被曝光:[[如何保護我的私鑰? ](basics/email-security.md )考慮使用提供前向保密的媒介:
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[即時通訊軟體 ](real-time-communication.md "" ){.md-button}
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< / details >
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## 跨平臺
### Thunderbird
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< div class = "admonition recommendation" markdown >
{ align=right }
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**Thunderbird** 是一個免費、開源、跨平臺的電子郵件、新聞組、新聞提要和聊天(XMPP、IRC、Matrix)客戶端, 由Thunderbird 社區開發,之前由 Mozilla 基金會開發。
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[:octicons-home-16: Homepage ](https://thunderbird.net ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://mozilla.org/privacy/thunderbird ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://support.mozilla.org/products/thunderbird ){ .card-link title=Documentation}
[:octicons-code-16: ](https://hg.mozilla.org/comm-central ){ .card-link title="Source Code" }
< details class = "downloads" markdown >
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< summary > Downloads: "下載"< / summary >
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- [:simple-windows11: Windows ](https://thunderbird.net )
- [:simple-apple: macOS ](https://thunderbird.net )
- [:simple-linux: Linux ](https://thunderbird.net )
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- [:simple-flathub: Flathub ](https://flathub.org/apps/details/org.mozilla.Thunderbird )
< / details >
< / div >
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#### 建議配置
我們建議您變更其中一些設定, 讓Thunderbird更具私密性。
這些選項可以在 :material-menu: → **設定** → **隱私 & 安全性**中找到。
##### 網頁內容
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- [ ] 取消勾選 **記住我訪問過的網站和連結**
- [ ] 取消勾選 **接受來自網站的cookie**
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##### 遙測
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- [ ] 取消勾選 **允許Thunderbird 向Mozilla**發送技術和互動資訊。
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#### Thunderbird-user.js (進階)
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[`thunderbird-user.js` ](https://github.com/HorlogeSkynet/thunderbird-user.js ) is a set of configurations options that aims to disable as many of the web-browsing features within Thunderbird as possible in order to reduce attack surface and maintain privacy. 其中一些更改是從 [Arkenfox 專案 ](https://github.com/arkenfox/user.js )中後移的。
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## 平臺特定
### Apple Mail (macOS)
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< div class = "admonition recommendation" markdown >
{ align=right }
**Apple Mail** 包含在 macOS, 並可利用[GPG Suite ](encryption.md#gpg-suite )擴展支援 OpenPGP, 增加了發送PGP 加密電子郵件的能力。
[:octicons-home-16: Homepage ](https://support.apple.com/guide/mail/welcome/mac ){ .md-button .md-button--primary }
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[:octicons-eye-16: ](https://apple.com/legal/privacy/en-ww ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://support.apple.com/mail ){ .card-link title=Documentation}
< / details >
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< / div >
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[macOS ](https://support.apple.com/guide/mail/mlhl03be2866/mac ) 與[iOS ](https://support.apple.com/guide/iphone/iphf084865c7/ios ) 的Apple Mail 可在後台載入遠端內容或完全封鎖並能隱藏您的 IP 位址。
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### Canary Mail (iOS)
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< div class = "admonition recommendation" markdown >
{ align=right }
**Canary Mail** 是一個付費的電子郵件用戶端,提供無縫的端到端加密安全功能,如生物識別應用程式鎖定。
[:octicons-home-16: Homepage ](https://canarymail.io ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://canarymail.io/privacy.html ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://canarymail.io/help ){ .card-link title=Documentation}
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< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-googleplay: Google Play ](https://play.google.com/store/apps/details?id=io.canarymail.android )
- [:simple-appstore: App Store ](https://apps.apple.com/app/id1236045954 )
- [:simple-windows11: Windows ](https://canarymail.io/downloads.html )
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< / details >
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< / div >
< details class = "warning" markdown >
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< summary > 警告< / summary >
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Canary Mail 最近才發布了 Windows 和 Android 用戶端,我們不認為它們已如 iOS和 Mac 用戶端一樣穩定。
< / details >
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Canary Mail 源碼為封閉式。 我們推薦它,因為 iOS 電子郵件客戶端支持 PGP E2EE 的選擇很少。
### FairEmail (Android)
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< div class = "admonition recommendation" markdown >
{ align=right }
**FairEmail** 是一個極簡的開源電子郵件應用程式,使用開放標準(IMAP, SMTP, OpenPGP ),數據和電池使用量低。
[:octicons-home-16: Homepage ](https://email.faircode.eu ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://github.com/M66B/FairEmail/blob/master/PRIVACY.md ){ .card-link title="Privacy Policy" }
[:octicons-info-16: ](https://github.com/M66B/FairEmail/blob/master/FAQ.md ){ .card-link title=Documentation}
[:octicons-code-16: ](https://github.com/M66B/FairEmail ){ .card-link title="Source Code" }
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[:octicons-heart-16: ](https://email.faircode.eu/donate ){ .card-link title=Contribute }
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< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-googleplay: Google Play ](https://play.google.com/store/apps/details?id=eu.faircode.email )
- [:simple-github: GitHub ](https://github.com/M66B/FairEmail/releases )
< / details >
< / div >
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### GNOME Evolution (GNOME)
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< div class = "admonition recommendation" markdown >
{ align=right }
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**Evolution** 是個人資訊管理應用程式,提供綜合郵件、行事曆和聯絡簿功能。 Evolution有豐富的 [文件 ](https://help.gnome.org/users/evolution/stable/ )來協助入手。
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[:octicons-home-16: Homepage ](https://wiki.gnome.org/Apps/Evolution ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://wiki.gnome.org/Apps/Evolution/PrivacyPolicy ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://help.gnome.org/users/evolution/stable ){ .card-link title=Documentation}
[:octicons-code-16: ](https://gitlab.gnome.org/GNOME/evolution ){ .card-link title="Source Code" }
[:octicons-heart-16: ](https://gnome.org/donate ){ .card-link title=Contribute }
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< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-flathub: Flathub ](https://flathub.org/apps/details/org.gnome.Evolution )
< / details >
< / div >
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### K-9 Mail (Android)
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< div class = "admonition recommendation" markdown >
{ align=right }
**K-9 Mail** 是一個獨立的郵件應用程式,同時支援 POP3 和IMAP 郵箱,但只支援 IMAP 推送郵件。
未來 K-9 Mai l將成為 [官方品牌 ](https://k9mail.app/2022/06/13/K-9-Mail-and-Thunderbird.html ) Thunderbird Android 用戶端。
[:octicons-home-16: Homepage ](https://k9mail.app ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://k9mail.app/privacy ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://docs.k9mail.app ){ .card-link title=Documentation}
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[:octicons-code-16: ](https://github.com/thundernest/k-9 ){ .card-link title="Source Code" }
[:octicons-heart-16: ](https://k9mail.app/contribute ){ .card-link title=Contribute }
< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-googleplay: Google Play ](https://play.google.com/store/apps/details?id=com.fsck.k9 )
- [:simple-github: GitHub ](https://github.com/thundernest/k-9/releases )
< / details >
< / div >
< div class = "admonition warning" markdown >
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< p class = "admonition-title" > 警告< / p >
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當回覆郵件群組中的某人時,「回覆」選項也可能包括郵件群組。 如需更多資訊,請參閱 [thundernest/k-9 #3738 ](https://github.com/thundernest/k-9/issues/3738 )。
< / div >
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### Kontact (KDE)
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< div class = "admonition recommendation" markdown >
{ align=right }
**Kontact** 是來自 [KDE ](https://kde.org )專案的個人資訊管理器(PIM)應用程式。 它提供了郵件客戶端、地址簿、待辦事項和 RSS 客戶端。
[:octicons-home-16: Homepage ](https://kontact.kde.org ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://kde.org/privacypolicy-apps ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://kontact.kde.org/users ){ .card-link title=Documentation}
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[:octicons-code-16: ](https://invent.kde.org/pim/kmail ){ .card-link title="Source Code" }
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[:octicons-heart-16: ](https://kde.org/community/donations ){ .card-link title=Contribute }
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< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-linux: Linux ](https://kontact.kde.org/download )
- [:simple-flathub: Flathub ](https://flathub.org/apps/details/org.kde.kontact )
< / details >
< / div >
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### Mailvelope (瀏覽器)
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< div class = "admonition recommendation" markdown >
{ align=right }
**Mailvelope** 是一個瀏覽器擴充功能,可按照 OpenPGP 加密標準交換加密電子郵件。
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[:octicons-home-16: Homepage ](https://mailvelope.com ){ .md-button .md-button--primary }
[:octicons-eye-16: ](https://mailvelope.com/privacy-policy ){ .card-link title="Privacy Policy" }
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[:octicons-info-16: ](https://mailvelope.com/faq ){ .card-link title=Documentation}
[:octicons-code-16: ](https://github.com/mailvelope/mailvelope ){ .card-link title="Source Code" }
< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-firefoxbrowser: Firefox ](https://addons.mozilla.org/firefox/addon/mailvelope )
- [:simple-googlechrome: Chrome ](https://chrome.google.com/webstore/detail/mailvelope/kajibbejlbohfaggdiogboambcijhkke )
- [:simple-microsoftedge: Edge ](https://microsoftedge.microsoft.com/addons/detail/mailvelope/dgcbddhdhjppfdfjpciagmmibadmoapc )
< / details >
< / div >
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### NeoMutt (CLI)
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< div class = "admonition recommendation" markdown >
{ align=right }
**NeoMutt** 是 Linux 和 BSD 的開源命令行郵件閱讀器( 或MUA )。 它是 [Mutt ](https://en.wikipedia.org/wiki/Mutt_ (email_client )) 的分支,具有附加功能。
NeoMutt 是一個文字指令的客戶端,具有陡峭的學習曲線。 然而,它有高度自制的特色。
[:octicons-home-16: Homepage ](https://neomutt.org ){ .md-button .md-button--primary }
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[:octicons-info-16: ](https://neomutt.org/guide ){ .card-link title=Documentation}
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[:octicons-code-16: ](https://github.com/neomutt/neomutt ){ .card-link title="Source Code" }
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[:octicons-heart-16: ](https://paypal.com/paypalme/russon ){ .card-link title=Contribute }
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< details class = "downloads" markdown >
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< summary > Downloads "下載"< / summary >
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- [:simple-apple: macOS ](https://neomutt.org/distro )
- [:simple-linux: Linux ](https://neomutt.org/distro )
< / details >
< / div >
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## 標準
**請注意,我們所推薦專案沒有任何瓜葛。 ** 除了 [標準準則 ](about/criteria.md )外,我們還發展出一套明確要求以提出客觀建議。 我們建議您在選擇使用項目之前先熟悉此列表,並進行自己的研究,以確保它是您的正確選擇。
### 最低合格要求
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- 為開源作業系統開發的應用程式必須是開源的。
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- 必須不收集遙測,或有一個簡單的方法來禁用所有遙測。
- 必須支援OpenPGP訊息加密。
### 最佳案例
最佳案例標準代表了我們希望從這個類別的完美項目應具備的功能。 推薦產品可能沒有此功能,但若有這些功能則會讓排名更為提高。
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- 應該為開源的。
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- 應為跨平臺。
- 預設情況下不應收集任何遙測。
- 應該原生支持OpenPGP ,即沒有擴展。
- 應該支持在本地存儲 OpenPGP 加密的電子郵件。