Implements a mailer preview interceptor that converts image tag src attributes that use inline cid: style URLs to data: style URLs so that they are visible when previewing an HTML email in a web browser.
This interceptor is enabled by default. To disable it, delete it from the
ActionMailer::Base.preview_interceptors array:
ActionMailer::Base.preview_interceptors.delete(ActionMailer::InlinePreviewInterceptor)
Included Modules
- Base64
Constants
| PATTERN | = | /src=(?:"cid:[^"]+"|'cid:[^']+')/i |