MACROMEDIA COLDFUSION 4.5-DEVELOPING WEB Develop Manual page 9

Contents
Choosing a client variable storage method.........................................................................189
Managing Client State in a Clustered Environment ..................................................................190
Using Client State Management..................................................................................................190
Creating a client variable ......................................................................................................191
Using Client Variables ..................................................................................................................191
Standard client variables ......................................................................................................191
Using client state management without cookies................................................................191
Getting a list of client variables ............................................................................................192
Deleting client variables .......................................................................................................192
Exporting the client variable database ................................................................................193
Application and Session Variables ..............................................................................................193
Enabling application and session variables ........................................................................193
Differentiating client, session, and application variables..................................................194
Using Session Variables................................................................................................................194
What is a session? ..................................................................................................................194
Storing session data in session variables.............................................................................195
Using Application Variables.........................................................................................................196
Storing application data in application variables...............................................................196
Application variable time-outs.............................................................................................196
Tips for Using Session and Application Variables......................................................................197
Getting a list of application and session variables..............................................................197
Default Variables and Constants .................................................................................................197
Using CFLOCK for Exclusive Locking .........................................................................................198
Using CFLOCK.......................................................................................................................199
Avoiding deadlocks ...............................................................................................................199
CFLOCK Examples........................................................................................................................200
Chapter 13: Sending and Receiving Email .................................................205
Using ColdFusion with Mail Servers ...........................................................................................206
Sending Email Messages ..............................................................................................................206
Sending SMTP mail with CFMAIL........................................................................................207
Samples uses of CFMAIL ..............................................................................................................207
Sending form-based email ...................................................................................................208
Sending query-based email ..................................................................................................208
Sending email to multiple recipients...................................................................................209
Customizing Email for Multiple Recipients................................................................................209
Attaching a MIME file ...........................................................................................................210
Advanced Sending Options..........................................................................................................211
Sending mail as HTML..........................................................................................................211
Error logging and undelivered messages ............................................................................211
Receiving Email Messages............................................................................................................211
Using CFPOP .........................................................................................................................212
CFPOP query variables .........................................................................................................212
Handling POP Mail .......................................................................................................................213
Returning only message headers .........................................................................................213
Returning an entire message................................................................................................214
Returning attachments with messages................................................................................215
Deleting messages.................................................................................................................216
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