Sends the UIDL command with a message sequence number argument.
The server's response reports the unique identifier for the specified message in the POP3 mailbox.
To check for success, get the ReplyCode property. To get the unique identifier for the message, get the ReplyText property.
Note: The UIDL command is an optional command that may not be implemented by all POP3 servers. If a server does not implement the UIDL command, it returns a failure response.
| Exception Type | Condition |
|---|---|
| Exception | If a network or protocol error occurs. |
Pop3Client Class | Hunny.Mail Namespace | Pop3Client.Uidl Overload List | POP3 UIDL command