List of Figures

3-1 IMAP and POP Data Flow

3-2 Oracle WebMail Client Data Flow

3-3 SMTP Message Flow

3-4 Message Header

3-5 Rewriting Rule Example

3-6 Changing Uppercase to Lowercase

3-7 Message Flow through Rewriting Rules

9-1 Lifecycle of an E-mail Message

D-1 User Entry Checks

D-2 Distribution List Entry Checks

D-3 Alias Entry Checks

D-4 Foreign User Entry Checks

D-5 Process Entry Checks

D-6 Newsgroup Entry Checks

D-7 News Peer Entry Checks

D-8 Shared Folder Entry Checks

D-9 Private Address Book Entry Checks