@Waveman: I was wondering this as well. Like you, I use IMAP for my AIM, Windows Live, & Yahoo mail, and Exchange for my work mail. So far, I've left the mail and notes disabled on iCloud, as I really didn't want to create yet another e-mail address. I use those others for participation in various forums, etc., as to keep spam out of my personal e-mail (works quite well, actually). In my case, since my Notes are synched through Exchange, using iCloud would only mess it up, I think, but I'm not sure.
But you raise a good point!
@PDADoc: I just tried activating Mail & Notes on one of my Macs on which I hadn't manually set up an account to access my iCloud (formerly MobileMe) email. Doing so immediately created an iCloud account in Mail.app. In the past, I had always set up my Mac-based MobileMe accounts manually, since I wanted to use a different replyto address than ****@me.com or ****@mac.com. With MobileMe, that wasn't possible, but I just discovered that you can specify another replyto address for an iCloud account in Mail.app. I just tried sending email from that account, and the alternative address worked as expected.
So maybe that's the reason for the Mail & Notes checkbox in iCloud. Unlike iOS, where iCloud is one of the explicit choices when you add a new email account, there's no such option on the Mac.
I'll be interested to see if this works for you.
I have been wanting to set up an alternative return address for my iCloud account. I find that I CAN do this on my Macs, but NOT on my iOS devices (iPhone 4 and iPad 2) as adding a "manual/Other" email account and adding the p99-imap.mail.me.com for the "incoming server" will not take.
If you have accomplished this would you please send details!!
Thank you in advance.
this topic is a year old but just in case anyone comes across it...... see this:
The iMail sync is to sync iCloud Mail ( the iCloud Web application) to your standard Mail accounts.