If you've ever wanted to get more out of your Mac's built-in Mail app, you might want to take a look at this new sale of plug-ins. Several developers have made their Mail plug-ins available at discounted prices between October 5 and 18, and all of this software is OS X El Capitan-ready.
The "Mail Capitan" sale offer discounts on a number of useful plug-ins. These include tools like Forget Me Not, which is activated by keywords in your email so you don't forget to send attachments. Indev Software is also offering discounts on its MailTags, Mail Act-On, and Mail Perspectives plug-ins, both individually and as a bundle.
To take advantage of these discounts, when buying any of these tools, enter MAILCAPITAN at checkout. Some plug-ins are available for up to 50% off. Check out the link below for all of the participating plug-ins.