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# pop3_command

Post Office Protocol Vuser Functions (POP3)

Sends a command to the POP3 server.

    long pop3_command( char *transaction, char *command, [char *command,] [char *save_to_param,] LAST );

transaction | A transaction name for this step in quotes. To instruct VuGen not to create a transaction for this step, use a NULL string, "".
command | One or more commands to send to the server in the following format:`"`Command=command1`", "`Command=command2`"...`
save_to_param | Saves the data returned by the server to a parameter. Use the format: "SaveTo=ParameterName" This parameter is optional
LAST | A marker indicating the end of the argument list.

The pop3_command function sends a command to the POP3 server. The server returns the result of the command. For example, if you send the command "UIDL 1", the server returns the unique ID of the first message.

The pop3_command function cannot handle multi-line server responses. For example, it cannot handle the responses to UIDL, RETR, or LIST commands.

This function is for use with global sessions. For multiple sessions, use the pop3_command_ex function, which allows you to specify a session identifier.

## Return Values

If this function succeeds, it returns LR_PASS. Otherwise, it returns LR_FAIL.

## Parameterization

The following argument(s) can be parameterized with standard parameterization: command

## Example

In the following example, the pop3_command function returns the unique ID of the first message.

Copy code

    ...
    // Logon to the POP3 server
    pop3_logon("Login", "URL=pop3://user0004t:my_pwd@techno.merc-int.com", LAST );
    // Send a "UIDL 1" command to the server
    pop3_command("UID_Command", "Command=UIDL 1", LAST );
    ...

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