Add warning to mailer documentation about authentication (#11563)
* Add warning to mailer documentation about authentication References #7966 Signed-off-by: Andrew Thornton <art27@cantab.net> * As per @guillep2k and @mrsdizzie * as per @mrsdizzie Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
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@ -397,10 +397,15 @@ set name for unique queues. Individual queues will default to
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- `DISABLE_HELO`: **\<empty\>**: Disable HELO operation.
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- `HELO_HOSTNAME`: **\<empty\>**: Custom hostname for HELO operation.
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- `HOST`: **\<empty\>**: SMTP mail host address and port (example: smtp.gitea.io:587).
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- Using opportunistic TLS via STARTTLS on port 587 is recommended per RFC 6409.
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- `IS_TLS_ENABLED` : **false** : Forcibly use TLS to connect even if not on a default SMTPS port.
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- Note, if the port ends with `465` SMTPS/SMTP over TLS will be used despite this setting.
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- Otherwise if `IS_TLS_ENABLED=false` and the server supports `STARTTLS` this will be used. Thus if `STARTTLS` is preferred you should set `IS_TLS_ENABLED=false`.
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- `FROM`: **\<empty\>**: Mail from address, RFC 5322. This can be just an email address, or
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the "Name" \<email@example.com\> format.
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- `USER`: **\<empty\>**: Username of mailing user (usually the sender's e-mail address).
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- `PASSWD`: **\<empty\>**: Password of mailing user. Use \`your password\` for quoting if you use special characters in the password.
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- Please note: authentication is only supported when the SMTP server communication is encrypted with TLS (this can be via `STARTTLS`) or `HOST=localhost`. See [Email Setup]({{< relref "doc/usage/email-setup.en-us.md" >}}) for more information.
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- `SKIP_VERIFY`: **\<empty\>**: Do not verify the self-signed certificates.
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- **Note:** Gitea only supports SMTP with STARTTLS.
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- `SUBJECT_PREFIX`: **\<empty\>**: Prefix to be placed before e-mail subject lines.
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@ -415,7 +420,6 @@ set name for unique queues. Individual queues will default to
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- `SENDMAIL_PATH`: **sendmail**: The location of sendmail on the operating system (can be
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command or full path).
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- `SENDMAIL_TIMEOUT`: **5m**: default timeout for sending email through sendmail
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- ``IS_TLS_ENABLED`` : **false** : Decide if SMTP connections should use TLS.
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## Cache (`cache`)
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