How do I?

Add user accounts?
Change the placement of menu buttons?
Confirm sent messages?
Control the display of message headers?
Create a mailing list?
Create an automatic response?
Create sub-folders within mailboxes?
Delete multiple messages?
Determine the number of messages listed on a page?
Eliminate message confirmation?
Exclude ">" (greater than) symbols from my replies?
Exclude the original message from my replies?
Forward messages with/without edits?
Forward messages with/without attachments?
Have deleted messages automatically placed in a folder named "Deleted?"
Hide my LDAP information?
Hide information about me from other Internet users?
Include ">" (greater than) symbols in my replies?
Include or omit a signature?
Include the original message in my replies?
Manage my mailboxes?
Not confirm sent messages?
Perform administrative functions?
Purge deleted messages immediately?
Purge deleted messages when I log off?
Save a copy of outgoing messages?
Search for a message?
Send a vacation message?
Set preferences?
Show a count of new messages for just my Main mailbox?
Show a count of new messages for all mailboxes?
Show text attachments as links or as text?
Sort by From, Subject, Date, or Number of Lines?
Sort in ascending or descending order?
Update my Address Book?