I have my own emailing server. And I'm a developer.
I'm looking into building various apps that'll facilitate some stuff relating to emails.
Besides, some users haven't been happy with MailChimp lately.
At first, I plan to build something simple.
What email related functionality is currently missing in the apps in the marketplace?
What do you struggle with that has to do with emails -- sending, receiving, verifying, etc?
Anything related to emails, that is