Is there an email app that shows notifications even for span as well as push notifications?

[iMore Question]

Need an email app with these two feature

Hi.
As the title suggest, I need a replacement for the stock iOS 8 mail app with these two features.
Firstly, I'd like the mail app shows push notification for inbox as well as spam.
Secondly, I'd like the app shows push notification for new email after some time again if I miss the original notification.
What app do you suggest with these features? I need the app for my iPad.m