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Add missing documentation about config.action_mailer.preview_interceptors [ci skip]

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yuuji.yaginuma 2018-06-14 14:08:05 +09:00
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guides/source/configuring.md
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@ -667,6 +667,12 @@ There are a number of settings available on `config.action_mailer`:
config.action_mailer.interceptors = ["MailInterceptor"]
```
* `config.action_mailer.preview_interceptors` registers interceptors which will be called before mail is previewed.
```ruby
config.action_mailer.preview_interceptors = ["MyPreviewMailInterceptor"]
```
* `config.action_mailer.preview_path` specifies the location of mailer previews.
```ruby