Alternative to Google Apps Email
Primarily Google Apps offers am Email Server with:

- a great Web-Interface
- great Spam Detection
- IMAP & Push E-Mail for iPhone with Google Sync


I wonder what are the alternatives to Google? 
I am looking for something which offers at lest the same features mentioned above. I don't want to self host it. 

Alternative to Google Apps Email
===

Primarily Google Apps offers am Email Server with:

- a great Web-Interface
- great Spam Detection
- IMAP & Push E-Mail for iPhone with Google Sync


I wonder what are the alternatives to Google? 
I am looking for something which offers at lest the same features mentioned above. I don't want to self host it. 
