Hi, I have several POP servers and i need to access them via POP. I know it's not the best option but i can't change it. So i'm looking for a webmail suite that can use POP with a decent performance, that is: It doesn't download ALL the INBOX each time i want to preview the messages.

Does Zimbra download all the message each time to see the overview of the INBOX? (Using POP not IMAP).