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Use environment variables in example SMTP config

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Currently the email documentation provides an example of how to use the SMTP adapter in SwiftMailer, but this example hardcodes the password in the config file which is a security issue. It is possible to reference environment variables instead, so we should document and encourage this.
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Garion Herman 2019-04-29 09:53:22 +12:00 committed by Ingo Schommer
parent 212a99c904
commit 5c4367f46b
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docs/en/02_Developer_Guides/10_Email/index.md
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@ -18,7 +18,7 @@ SilverStripe\Core\Injector\Injector:
Swift_Transport: Swift_SendmailTransport
```
For example, to use SMTP, create a file app/_config/email.yml:
For example, to use SMTP, create a file `app/_config/email.yml`:
```yml
---
@ -34,11 +34,13 @@ SilverStripe\Core\Injector\Injector:
Port: <port>
Encryption: tls
calls:
Username: [ setUsername, ['<username>'] ]
Password: [ setPassword, ['<password>'] ]
Username: [ setUsername, ['`APP_SMTP_USERNAME`'] ]
Password: [ setPassword, ['`APP_SMTP_PASSWORD`'] ]
AuthMode: [ setAuthMode, ['login'] ]
```
Note the usage of backticks to designate environment variables for the credentials - ensure you set these in your `.env` file or in your webserver configuration.
## Usage
### Sending plain text only