Bunch of Questions about Mail, iCloud, iCal, Address Book

[geekygeek]

I'm gonna try to sync my regular mail account, my iCloud mail account, address book, iCal etc. I'm trying to take advantages of advantages of Lion's features.

First Question:
Can I have the emails coming in to my iCloud email and my regular emails to collect in Mail?

I have a Mail.com account (www.mail.com) and the iMap and POP servers on the website say they are:
POP3: pop.mail.com
SMTP: smtp.mail.com
iMAP 4: imap.mail.com

I believe Mail.com is powered by AOL because I can login using my regular username and password on the AOL website. My mail.com account is geekygeek@techie.com. The website lets you choose from around 50 different domains when you register. I have set up my mail.com account on my iPhone with no problems. I think I used AOL servers back then.

This is my first problem. If this gets solved, I'll continue with syncing and ask you guys more questions as more obstacles occur.

EDIT: I tried using those servers about a month ago without success. I just randomly tried again and IT WORKED! I can receive just find, but if I try to send I see this http://imgur.com/NszDP

 

[geekygeek]

Problem Two:
I can't get the mail.com to send emails. I see this if I try http://imgur.com/NszDP

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Question three:
How can I delete contact groups in Address Book?
I have 3 groups that say untitled group, how can I delete them? They don't have any contacts in them.

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Lined to Question 3
I got the untitled groups out after going to iCloud.com and editing it. Why can I not delete the groups in address book it self?

Question 4
I can add more options to contacts like anniversary dates, birthdays and stuff. I can't in address book.