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Docs: Replace deprecated IS_TLS_ENABLED mailer setting in email setup #28205

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Nov 25, 2023
Merged

Docs: Replace deprecated IS_TLS_ENABLED mailer setting in email setup #28205

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f76a1b7
Replace IS_TLS_ENABLED with PROTOCOL in email-setup.en-us.md
CodeShakingSheep Nov 24, 2023
f0da647
Replace IS_TLS_ENABLED with PROTOCOL in email-setup.zh-cn.md
CodeShakingSheep Nov 24, 2023
ddb0171
Write SMTPS in lower case letters in email-setup.en-us.md
CodeShakingSheep Nov 24, 2023
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2 changes: 1 addition & 1 deletion docs/content/administration/email-setup.en-us.md
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Expand Up @@ -61,7 +61,7 @@ Please note: authentication is only supported when the SMTP server communication

- STARTTLS (also known as Opportunistic TLS) via port 587. Initial connection is done over cleartext, but then be upgraded over TLS if the server supports it.
- SMTPS connection (SMTP over TLS) via the default port 465. Connection to the server use TLS from the beginning.
- Forced SMTPS connection with `IS_TLS_ENABLED=true`. (These are both known as Implicit TLS.)
- Forced SMTPS connection with `PROTOCOL=smtps`. (These are both known as Implicit TLS.)
This is due to protections imposed by the Go internal libraries against STRIPTLS attacks.

Note that Implicit TLS is recommended by [RFC8314](https://tools.ietf.org/html/rfc8314#section-3) since 2018.
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2 changes: 1 addition & 1 deletion docs/content/administration/email-setup.zh-cn.md
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Expand Up @@ -61,7 +61,7 @@ PASSWD = `password`

- 通过端口 587 的 STARTTLS（也称为 Opportunistic TLS）。初始连接是明文的，但如果服务器支持，则可以升级为 TLS。
- 通过默认端口 465 的 SMTPS 连接。连接到服务器从一开始就使用 TLS。
- 使用 `IS_TLS_ENABLED=true` 进行强制的 SMTPS 连接。（这两种方式都被称为 Implicit TLS）
- 使用 `PROTOCOL=smtps` 进行强制的 SMTPS 连接。（这两种方式都被称为 Implicit TLS）
这是由于 Go 内部库对 STRIPTLS 攻击的保护机制。

请注意，自2018年起，[RFC8314](https://tools.ietf.org/html/rfc8314#section-3) 推荐使用 Implicit TLS。
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