I've had a few customers looking for a good summary of all the different versions of Exchange and the respective policies you can enforce. 

This may help!

Settings

Ex2003 SP2

Ex2007 RTM

Ex2007 SP1
STANDARD CAL

Ex2007 SP1
ENTERPRISE CAL

Windows Mobile Version Required

WM 5  and above

WM 6 and above

Future Version of Windows Mobile

Future Version of Windows Mobile

Password Required

x

x

X

X

Min Password Length

X

X

X

X

Alphanumeric pwd

X

X

X

X

Inactivity Timeout

X

X

X

X

Max Failed Password Attempts

X

X

X

X

Policy Refresh Interval

X

X

X

X

Allow non-provisionable devices

X

X

X

X

Attachments Enabled

 

X

X

X

Storage Card Encryption

 

X

X

X

Password Recovery Enabled

 

X

X

X

Allow Simple Device Password

 

X

X

X

Max Attachment Size

 

X

X

X

WSS Access Enabled

 

X

X

X

UNC Access Enabled

 

X

X

X

Password Expiration

 

X

X

X

Password History

 

X

X

X

Require Manual Sync When Roaming

 

 

X

X

Min Device Pwd Complex Characters

 

 

X

X

Max Calendar Age Filter

 

 

X

X

Allow HTML Email

 

 

X

X

Max Email Age Filter

 

 

X

X

Max Email Body Truncation Size

 

 

X

X

Max Email HTML Body Truncation Size

 

 

X

X

Require Signed SMIME Messages

 

 

X

X

Require Encrypted SMIME Messages

 

 

X

X

Require Signed SMIME Algorithm

 

 

X

X

Require Encryption SMIME Algorithm

 

 

X

X

Allow SMIME Encryption Algorithm Negotiation

 

 

X

X

Allow SMIME Soft Certs

 

 

X

X

Require Device Encryption

 

 

X

X

Allow Storage Card

 

 

 

X

Allow Camera

 

 

 

X

Allow Unsigned Applications

 

 

 

X

Allow Unsigned Installation Packages

 

 

 

X

Allow Wi-Fi

 

 

 

X

Allow Text Messaging

 

 

 

X

Allow POP/IMAP Email

 

 

 

X

Allow Bluetooth

 

 

 

X

Allow IrDA

 

 

 

X

Allow Desktop Sync

 

 

 

X

Allow Browser

 

 

 

X

Allow Consumer Email

 

 

 

X

Allow Remote Desktop

 

 

 

X

Allow Internet Sharing

 

 

 

X

Unapproved InROM Application List

 

 

 

X

Approved Application List

 

 

 

X