• Launch the Mailer application.
  • Advice the Mailer app to download a specific file.
  • Advice the Mailer app to add a specific template or style sheet definition (or both).

Application homepage:
iTunes link:
HTML Link example: mailer://?addData=http://some.url/to/some.file
Native application URL string example: mailer://?addData=http://some.url/to/some.file
Extended example:
Tags: Mail, Address Book, Contacts, Email, Merge Mail, Email Templates, Attachments, HTML, CSS

The scheme is supported by Mailer and Mailer lite starting from version 6.1.