How to use helper methods in mailer templates
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How to use helper methods in mailer templates? Instead of this "include YourHelper" use this "add_template_helper YourHelper" in YourMailer

How to add images (i.e. logo) to email messages while using Pony gem.
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Pony gem allows to easily send good looking and customizable emails, but it doesn't provide a way to include image in a way that it will be displayed in gma...

How to include logo into devise messages
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A quick guide how to include any file, in this case logo to devise messages