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Crowdin Bot
@@ -23,7 +23,7 @@ Desktop platforms also often have a password manager which may help you recover
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- Windows [Credential Manager](https://support.microsoft.com/en-us/windows/accessing-credential-manager-1b5c916a-6a16-889f-8581-fc16e8165ac0)
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- macOS [Passwords](https://support.apple.com/en-us/HT211145)
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- iOS [Passwords](https://support.apple.com/en-us/HT211146)
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- Linux, Gnome Keyring, which can be accessed through [Seahorse](https://help.gnome.org/users/seahorse/stable/passwords-view.html.en) or [KDE Wallet Manager](https://userbase.kde.org/KDE_Wallet_Manager)
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- Linux, Gnome Keyring, which can be accessed through [Seahorse](https://wiki.gnome.org/Apps/Seahorse) or [KDE Wallet Manager](https://userbase.kde.org/KDE_Wallet_Manager)
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### メール
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102
i18n/ja/email.md
102
i18n/ja/email.md
@@ -2,24 +2,24 @@
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meta_title: "暗号化プライベートメールのおすすめ - Privacy Guides"
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title: "メールサービス"
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icon: material/email
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description: These email providers offer a great place to store your emails securely, and many offer interoperable OpenPGP encryption with other providers.
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description: これらの電子メールプロバイダはメールを安全に保存するのに最適な場所で、多くは他のプロバイダと相互運用可能なOpenPGP暗号化を提供しています。
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cover: email.png
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---
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Email is practically a necessity for using any online service, however we do not recommend it for person-to-person conversations. Rather than using email to contact other people, consider using an instant messaging medium that supports forward secrecy.
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実質的に、電子メールはどんなオンラインサービスを使うにも必要ですが、個人間での会話にはお勧めしません。 他人との連絡には電子メールを使うよりも、前方秘匿性のあるインスタントメッセンジャの使用を検討してください。
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[おすすめのインスタントメッセンジャ](real-time-communication.md ""){.md-button}
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For everything else, we recommend a variety of email providers based on sustainable business models and built-in security and privacy features.
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それ以外のことについては、持続可能なビジネスモデル、組み込まれたセキュリティとプライバシー機能に基づいていろんな電子メールプロバイダをお勧めします。
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- [OpenPGP-Compatible Email Providers :material-arrow-right-drop-circle:](#openpgp-compatible-services)
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- [Other Encrypted Providers :material-arrow-right-drop-circle:](#more-providers)
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- [Email Aliasing Services :material-arrow-right-drop-circle:](#email-aliasing-services)
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- [Self-Hosted Options :material-arrow-right-drop-circle:](#self-hosting-email)
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- [OpenPGP対応電子メールプロバイダ :material-arrow-right-drop-circle:](#openpgp-compatible-services)
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- [その他の暗号化プロバイダ :material-arrow-right-drop-circle:](#more-providers)
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- [メールエイリアスのサービス :material-arrow-right-drop-circle:](#email-aliasing-services)
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- [セルフホストのオプション :material-arrow-right-drop-circle:](#self-hosting-email)
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## OpenPGP Compatible Services
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## OpenPGP対応サービス
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These providers natively support OpenPGP encryption/decryption and the Web Key Directory (WKD) standard, allowing for provider-agnostic E2EE emails. For example, a Proton Mail user could send an E2EE message to a Mailbox.org user, or you could receive OpenPGP-encrypted notifications from internet services which support it.
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これらのプロバイダはOpenPGPによる暗号化、復号とWeb Key Directory (WKD) 標準をネイティブサポートしており、プロバイダに依存しないE2EEメールが可能です。 例えば、Proton MailのユーザはMailbox.orgのユーザにE2EEメッセージを送れますし、OpenPGPで暗号化された通知を、それをサポートするインターネットサービスから受け取ることができます。
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<div class="grid cards" markdown>
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@@ -28,11 +28,11 @@ These providers natively support OpenPGP encryption/decryption and the Web Key D
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</div>
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!!! warning
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!!! 警告
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When using E2EE technology like OpenPGP, email will still have some metadata that is not encrypted in the header of the email. Read more about [email metadata](basics/email-security.md#email-metadata-overview).
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OpenPGPのようなE2EE技術を使用しても、メールのヘッダーには暗号化されていないメタデータが残ります。 詳しくはこちらを御覧ください: [電子メールのメタデータ](basics/email-security.md#email-metadata-overview)。
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OpenPGP also does not support Forward secrecy, which means if either your or the recipient's private key is ever stolen, all previous messages encrypted with it will be exposed. [How do I protect my private keys?](basics/email-security.md#how-do-i-protect-my-private-keys)
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OpenPGPは前方秘匿性のサポートもしていません。つまり、あなたか受信者どちらかの秘密鍵が盗まれた場合、その鍵で暗号化された以前までの全てのメッセージは暴露します。 [秘密鍵を守るには?](basics/email-security.md#how-do-i-protect-my-private-keys)
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### Proton Mail
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@@ -40,13 +40,13 @@ These providers natively support OpenPGP encryption/decryption and the Web Key D
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{ align=right }
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**Proton Mail** is an email service with a focus on privacy, encryption, security, and ease of use. They have been in operation since **2013**. Proton AG is based in Genève, Switzerland. Accounts start with 500 MB storage with their free plan.
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**Proton Mail** は、プライバシー、暗号化、セキュリティ、使いやすさを重視したメールサービスです。 2013年から運営をされています。 Proton AGはスイスのジュネーブに拠点を置いています。 アカウントは無料プランでストレージ500MBから始まります。
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[:octicons-home-16: Homepage](https://proton.me/mail){ .md-button .md-button--primary }
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[:simple-torbrowser:](https://protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion){ .card-link title="Onion Service" }
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[:octicons-eye-16:](https://proton.me/legal/privacy){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://proton.me/support/mail){ .card-link title=Documentation}
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[:octicons-code-16:](https://github.com/ProtonMail){ .card-link title="Source Code" }
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[:octicons-home-16: ホームページ](https://proton.me/mail){ .md-button .md-button--primary }
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[:simple-torbrowser:](https://protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion){ .card-link title="Onionサービス" }
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[:octicons-eye-16:](https://proton.me/legal/privacy){ .card-link title="プライバシーポリシー" }
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[:octicons-info-16:](https://proton.me/support/mail){ .card-link title=ドキュメンテーション}
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[:octicons-code-16:](https://github.com/ProtonMail){ .card-link title="ソースコード" }
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??? downloads
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@@ -58,46 +58,46 @@ These providers natively support OpenPGP encryption/decryption and the Web Key D
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- [:simple-linux: Linux](https://proton.me/mail/bridge#download)
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- [:octicons-browser-16: Web](https://mail.proton.me)
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Free accounts have some limitations, such as not being able to search body text and not having access to [Proton Mail Bridge](https://proton.me/mail/bridge), which is required to use a [recommended desktop email client](email-clients.md) (e.g. Thunderbird). Paid accounts include features like Proton Mail Bridge, additional storage, and custom domain support. A [letter of attestation](https://proton.me/blog/security-audit-all-proton-apps) was provided for Proton Mail's apps on 9th November 2021 by [Securitum](https://research.securitum.com).
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無料アカウントには本文の検索ができないことや、 [推奨されるデスクトップメールクライアント](email-clients.md) (Thunderbirdなど)を使用するために必要な [Proton Mail Bridge](https://proton.me/mail/bridge) を利用できないといった制限があります。 有料アカウントにはProton Mail Bridge、追加ストレージ、カスタムドメインのサポートなどの機能が含まれています。 [Securitum](https://research.securitum.com)により2021年11月9日 [監査証明書](https://proton.me/blog/security-audit-all-proton-apps) がProton Mailアプリにおくられました。
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If you have the Proton Unlimited, Business, or Visionary Plan, you also get [SimpleLogin](#simplelogin) Premium for free.
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Proton Unlimitedプラン、Businessプラン、またはVisionaryプランをお持ちの場合、 [SimpleLogin](#simplelogin) Premiumも無料で利用できます。
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Proton Mail has internal crash reports that they **do not** share with third parties. This can be disabled in: **Settings** > **Go to Settings** > **Account** > **Security and privacy** > **Send crash reports**.
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Proton Mailには内部にクラッシュレポートがあり、これは第三者に共有 **されません** 。 クラッシュレポートは次のように無効にできます: **設定** > **設定を開く** > **アカウント** > **セキュリティとプライバシー** > **クラッシュレポートを送信**
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#### :material-check:{ .pg-green } Custom Domains and Aliases
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#### :material-check:{ .pg-green } カスタムドメインとエイリアス
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Paid Proton Mail subscribers can use their own domain with the service or a [catch-all](https://proton.me/support/catch-all) address. Proton Mail also supports [subaddressing](https://proton.me/support/creating-aliases), which is useful for people who don't want to purchase a domain.
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Proton Mailの有料会員は独自ドメインでサービスや [キャッチオール](https://proton.me/support/catch-all) アドレスを使うことができます。 Proton Mailはドメインを購入したくない人に便利な [サブアドレス](https://proton.me/support/creating-aliases) もサポートしています。
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#### :material-check:{ .pg-green } Private Payment Methods
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#### :material-check:{ .pg-green } プライベートな支払い方法
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Proton Mail [accepts](https://proton.me/support/payment-options) cash by mail in addition to standard credit/debit card, [Bitcoin](advanced/payments.md#other-coins-bitcoin-ethereum-etc), and PayPal payments.
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Proton Mailは標準的なクレジット・デビットカード、 [Bitcoin](advanced/payments.md#other-coins-bitcoin-ethereum-etc) 、またPayPalでの支払いに加え、現金の郵送も [受け付けています](https://proton.me/support/payment-options) 。
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#### :material-check:{ .pg-green } Account Security
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#### :material-check:{ .pg-green } アカウントのセキュリティ
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Proton Mail supports TOTP [two factor authentication](https://proton.me/support/two-factor-authentication-2fa) and [hardware security keys](https://proton.me/support/2fa-security-key) using FIDO2 or U2F standards. The use of a hardware security key requires setting up TOTP two factor authentication first.
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Proton Mailは TOTP [二要素認証](https://proton.me/support/two-factor-authentication-2fa) およびFIDO2またはU2F規格を使用した [ハードウェアセキュリティキー](https://proton.me/support/2fa-security-key) をサポートしています。 ハードウェアセキュリティキーを使用するには、先にTOTP二要素認証の設定が必要です。
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#### :material-check:{ .pg-green } Data Security
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#### :material-check:{ .pg-green } データのセキュリティ
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Proton Mail has [zero-access encryption](https://proton.me/blog/zero-access-encryption) at rest for your emails and [calendars](https://proton.me/news/protoncalendar-security-model). Data secured with zero-access encryption is only accessible by you.
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Proton Mailはメールと [カレンダー](https://proton.me/news/protoncalendar-security-model) を [ゼロアクセス暗号化](https://proton.me/blog/zero-access-encryption) します。 ゼロアクセス暗号化で保護されたデータにアクセスできるのはあなただけです。
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Certain information stored in [Proton Contacts](https://proton.me/support/proton-contacts), such as display names and email addresses, are not secured with zero-access encryption. Contact fields that support zero-access encryption, such as phone numbers, are indicated with a padlock icon.
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ディスプレイネームやメールアドレスなど、 [Proton Contacts](https://proton.me/support/proton-contacts) に保存される一部の情報はゼロアクセス暗号化によって保護されていません。 電話番号など、ゼロアクセス暗号化をサポートするContactフィールドには南京錠のアイコンが表示されます。
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#### :material-check:{ .pg-green } Email Encryption
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#### :material-check:{ .pg-green } メールの暗号化
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Proton Mail has [integrated OpenPGP encryption](https://proton.me/support/how-to-use-pgp) in their webmail. Emails to other Proton Mail accounts are encrypted automatically, and encryption to non-Proton Mail addresses with an OpenPGP key can be enabled easily in your account settings. They also allow you to [encrypt messages to non-Proton Mail addresses](https://proton.me/support/password-protected-emails) without the need for them to sign up for a Proton Mail account or use software like OpenPGP.
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Proton Mailはwebメールに [OpenPGP暗号化を組み込んでいます。](https://proton.me/support/how-to-use-pgp) 他のProton Mailアカウントへのメールは自動的に暗号化され、OpenPGPキーによる非Proton Mailアドレスへの暗号化はアカウント設定から簡単に有効化できます。 Proton Mailアカウントへのサインアップや、OpenPGPのようなソフトウェアを必要としない [非Proton Mailアドレスへの暗号化メッセージ](https://proton.me/support/password-protected-emails) も可能です。
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Proton Mail also supports the discovery of public keys via HTTP from their [Web Key Directory (WKD)](https://wiki.gnupg.org/WKD). This allows people who don't use Proton Mail to find the OpenPGP keys of Proton Mail accounts easily, for cross-provider E2EE.
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Proton Mailは [Web Key Directory (WKD)](https://wiki.gnupg.org/WKD) からHTTP経由で公開鍵を発見することもサポートしています。 これにより、Proton Mailを使っていない人でも、Proton MailアカウントのOpenPGPキーを簡単に見つけることができ、プロバイダをまたいだE2EEが可能になります。
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#### :material-information-outline:{ .pg-blue } Account Termination
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#### :material-information-outline:{ .pg-blue } アカウントの停止
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If you have a paid account and your [bill is unpaid](https://proton.me/support/delinquency) after 14 days, you won't be able to access your data. After 30 days, your account will become delinquent and won't receive incoming mail. You will continue to be billed during this period.
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有料アカウントを持っており、しかし14日を過ぎても [請求への支払いが無い](https://proton.me/support/delinquency) 場合、データにアクセスできなくなります。 30日を過ぎるとアカウントは滞納者となり、受信メールは届かなくなります。 この期間も請求は継続されます。
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#### :material-information-outline:{ .pg-blue } Additional Functionality
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#### :material-information-outline:{ .pg-blue } 追加機能
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Proton Mail offers an "Unlimited" account for €9.99/Month, which also enables access to Proton VPN in addition to providing multiple accounts, domains, aliases, and 500GB of storage.
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Proton Mailは月額9.99ユーロで「Unlimited」アカウントを提供しており、複数アカウント、ドメイン、エイリアス、500GBのストレージに加えてProton VPNへのアクセスも可能になります。
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Proton Mail doesn't offer a digital legacy feature.
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Proton Mailにはデジタル遺産の機能はありません。
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### Mailbox.org
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@@ -105,25 +105,25 @@ Proton Mail doesn't offer a digital legacy feature.
|
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{ align=right }
|
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**Mailbox.org** is an email service with a focus on being secure, ad-free, and privately powered by 100% eco-friendly energy. They have been in operation since 2014. Mailbox.org is based in Berlin, Germany. Accounts start with 2 GB of storage, which can be upgraded as needed.
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**Mailbox.org** は安全、広告なし、プライベートでいることを重視した、100%エコエネルギーで運営されているメールサービスです。 2014年から運営をされています。 Mailbox.orgはドイツのベルリンに拠点を置いています。 アカウントは2GBのストレージから始まり、必要に応じてアップグレードできます。
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[:octicons-home-16: Homepage](https://mailbox.org){ .md-button .md-button--primary }
|
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[:octicons-eye-16:](https://mailbox.org/en/data-protection-privacy-policy){ .card-link title="Privacy Policy" }
|
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[:octicons-info-16:](https://kb.mailbox.org/en/private){ .card-link title=Documentation}
|
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[:octicons-home-16: ホームページ](https://mailbox.org){ .md-button .md-button--primary }
|
||||
[:octicons-eye-16:](https://mailbox.org/en/data-protection-privacy-policy){ .card-link title="プライバシーポリシー" }
|
||||
[:octicons-info-16:](https://kb.mailbox.org/en/private){ .card-link title=ドキュメンテーション}
|
||||
|
||||
??? downloads
|
||||
|
||||
- [:octicons-browser-16: Web](https://login.mailbox.org)
|
||||
|
||||
#### :material-check:{ .pg-green } Custom Domains and Aliases
|
||||
#### :material-check:{ .pg-green } カスタムドメインとエイリアス
|
||||
|
||||
Mailbox.org lets you use your own domain, and they support [catch-all](https://kb.mailbox.org/display/MBOKBEN/Using+catch-all+alias+with+own+domain) addresses. Mailbox.org also supports [subaddressing](https://kb.mailbox.org/display/BMBOKBEN/What+is+an+alias+and+how+do+I+use+it), which is useful if you don't want to purchase a domain.
|
||||
|
||||
#### :material-check:{ .pg-green } Private Payment Methods
|
||||
#### :material-check:{ .pg-green } プライベートな支払い方法
|
||||
|
||||
Mailbox.org doesn't accept any cryptocurrencies as a result of their payment processor BitPay suspending operations in Germany. However, they do accept Cash by mail, cash payment to bank account, bank transfer, credit card, PayPal and couple of German-specific processors: paydirekt and Sofortüberweisung.
|
||||
|
||||
#### :material-check:{ .pg-green } Account Security
|
||||
#### :material-check:{ .pg-green } アカウントのセキュリティ
|
||||
|
||||
Mailbox.org supports [two factor authentication](https://kb.mailbox.org/display/MBOKBEN/How+to+use+two-factor+authentication+-+2FA) for their webmail only. You can use either TOTP or a [YubiKey](https://en.wikipedia.org/wiki/YubiKey) via the [YubiCloud](https://www.yubico.com/products/services-software/yubicloud). Web standards such as [WebAuthn](https://en.wikipedia.org/wiki/WebAuthn) are not yet supported.
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|
||||
@@ -133,13 +133,13 @@ Mailbox.org allows for encryption of incoming mail using their [encrypted mailbo
|
||||
|
||||
However, [Open-Exchange](https://en.wikipedia.org/wiki/Open-Xchange), the software platform used by Mailbox.org, [does not support](https://kb.mailbox.org/display/BMBOKBEN/Encryption+of+calendar+and+address+book) the encryption of your address book and calendar. A [standalone option](calendar.md) may be more appropriate for that information.
|
||||
|
||||
#### :material-check:{ .pg-green } Email Encryption
|
||||
#### :material-check:{ .pg-green } メールの暗号化
|
||||
|
||||
Mailbox.org has [integrated encryption](https://kb.mailbox.org/display/MBOKBEN/Send+encrypted+e-mails+with+Guard) in their webmail, which simplifies sending messages to people with public OpenPGP keys. They also allow [remote recipients to decrypt an email](https://kb.mailbox.org/display/MBOKBEN/My+recipient+does+not+use+PGP) on Mailbox.org's servers. This feature is useful when the remote recipient does not have OpenPGP and cannot decrypt a copy of the email in their own mailbox.
|
||||
|
||||
Mailbox.org also supports the discovery of public keys via HTTP from their [Web Key Directory (WKD)](https://wiki.gnupg.org/WKD). This allows people outside of Mailbox.org to find the OpenPGP keys of Mailbox.org accounts easily, for cross-provider E2EE.
|
||||
|
||||
#### :material-information-outline:{ .pg-blue } Account Termination
|
||||
#### :material-information-outline:{ .pg-blue } アカウントの停止
|
||||
|
||||
Your account will be set to a restricted user account when your contract ends, after [30 days it will be irrevocably deleted](https://kb.mailbox.org/en/private/payment-article/what-happens-at-the-end-of-my-contract).
|
||||
|
||||
@@ -187,7 +187,7 @@ These providers store your emails with zero-knowledge encryption, making them gr
|
||||
|
||||
Tutanota doesn't support the [IMAP protocol](https://tutanota.com/faq/#imap) or the use of third-party [email clients](email-clients.md), and you also won't be able to add [external email accounts](https://github.com/tutao/tutanota/issues/544#issuecomment-670473647) to the Tutanota app. Neither [Email import](https://github.com/tutao/tutanota/issues/630) or [subfolders](https://github.com/tutao/tutanota/issues/927) are currently supported, though this is [due to be changed](https://tutanota.com/blog/posts/kickoff-import). Emails can be exported [individually or by bulk selection](https://tutanota.com/howto#generalMail) per folder, which may be inconvenient if you have many folders.
|
||||
|
||||
#### :material-check:{ .pg-green } Custom Domains and Aliases
|
||||
#### :material-check:{ .pg-green } カスタムドメインとエイリアス
|
||||
|
||||
Paid Tutanota accounts can use up to 5 [aliases](https://tutanota.com/faq#alias) and [custom domains](https://tutanota.com/faq#custom-domain). Tutanota doesn't allow for [subaddressing (plus addresses)](https://tutanota.com/faq#plus), but you can use a [catch-all](https://tutanota.com/howto#settings-global) with a custom domain.
|
||||
|
||||
@@ -195,11 +195,11 @@ Paid Tutanota accounts can use up to 5 [aliases](https://tutanota.com/faq#alias)
|
||||
|
||||
Tutanota only directly accepts credit cards and PayPal, however [cryptocurrency](cryptocurrency.md) can be used to purchase gift cards via their [partnership](https://tutanota.com/faq/#cryptocurrency) with Proxystore.
|
||||
|
||||
#### :material-check:{ .pg-green } Account Security
|
||||
#### :material-check:{ .pg-green } アカウントのセキュリティ
|
||||
|
||||
Tutanota supports [two factor authentication](https://tutanota.com/faq#2fa) with either TOTP or U2F.
|
||||
|
||||
#### :material-check:{ .pg-green } Data Security
|
||||
#### :material-check:{ .pg-green } データのセキュリティ
|
||||
|
||||
Tutanota has [zero access encryption at rest](https://tutanota.com/faq#what-encrypted) for your emails, [address book contacts](https://tutanota.com/faq#encrypted-address-book), and [calendars](https://tutanota.com/faq#calendar). This means the messages and other data stored in your account are only readable by you.
|
||||
|
||||
@@ -207,7 +207,7 @@ Tutanota has [zero access encryption at rest](https://tutanota.com/faq#what-encr
|
||||
|
||||
Tutanota [does not use OpenPGP](https://www.tutanota.com/faq/#pgp). Tutanota accounts can only receive encrypted emails from non-Tutanota email accounts when sent via a [temporary Tutanota mailbox](https://www.tutanota.com/howto/#encrypted-email-external).
|
||||
|
||||
#### :material-information-outline:{ .pg-blue } Account Termination
|
||||
#### :material-information-outline:{ .pg-blue } アカウントの停止
|
||||
|
||||
Tutanota will [delete inactive free accounts](https://tutanota.com/faq#inactive-accounts) after six months. You can reuse a deactivated free account if you pay.
|
||||
|
||||
|
||||
Reference in New Issue
Block a user