Evolution Mail

Store mail data in a different location
Create a symbolic link with the name ".evolution" in the home folder and the link points to "/mydata/mymail".

ln -s /mydata/mymail ~/.evolution

Command equivalent to Outlook's "Run Rules Now"
Select messages or Ctrl+'A' to select all, then go to Message Menu -> Apply Filters or Ctrl + 'Y'.

Add a new account
Edit Menu -> Preferences -> Mail Accounts

Settings
Gmail

• Receiving Email
• Type: POP
• Server: pop.gmail.com:995
• Secure Connection: SSL
• Authentication Type: Password
• Sending Email
• Type: SMTP
• Server: smtp.live.com:587
• Secure Connection: TLS
• Authentication Type: Login

Hotmail

• Receiving Email
• Type: POP
• Server: pop3.live.com:995
• Secure Connection: SSL
• Authentication Type: Password

• Sending Email
• Type: SMTP
• Server: smtp.live.com:587
• Secure Connection: TLS
• Authentication Type: Login

Yahoo

• Receiving Email
• Type: POP
• Server: pop.mail.yahoo.com
• Secure Connection: SSL
• Authentication Type: Password

• Sending Email
• Type: SMTP
• Server: smtp.mail.yahoo.com:465
• Secure Connection: SSL
• Authentication Type: Login

Refs:
http://pricklytech.wordpress.com/2010/05/01/ubuntu-10-4-lucid-configuring-evolution-to-connect-to-hotmail-windows-live-mail/
http://ubuntuforums.org/showthread.php?t=305886
https://help.ubuntu.com/community/UsingGmailWithEvolution