Delete Email messages in C#, VB.NET

This article demonstrates how to delete a specific email message along with all email messages using Spire.Email component.

Detail steps:

Step 1: Create a POP3 client.

Pop3Client pop3 = new Pop3Client();

Step 2: Set host, authentication, port and connection protocol.

pop3.Host = "outlook.office365.com";
pop3.Username = "LeonDavisLD@outlook.com";
pop3.Password = "password";
pop3.Port = 995;
pop3.EnableSsl = true;

Step 3: Connect the pop server.

pop3.Connect();

Step 4: Get the number of messages before deleting message(s).

//Get the number of messages before deleting message(s)
Pop3MessageInfoCollection messages = pop3.GetAllMessages();
Console.WriteLine("Number of messages before deleting: " + messages.Count);

Step 5: Delete message(s).

//Delete an email message by its sequence number
pop3.DeleteMessage(2);

//Delete all messages
//pop3.DeleteAllMessages();

Step 6: Get the number of messages after deleting message(s).

//Get the number of messages after deleting message(s)
messages = pop3.GetAllMessages();
Console.WriteLine("Number of messages after deleting: " + messages.Count);

Delete Email messages in C#, VB.NET

Full code:

[C#]
//Create a POP3 client
Pop3Client pop3 = new Pop3Client();

//Set host, authentication, port and connection protocol
pop3.Host = "outlook.office365.com";
pop3.Username = "LeonDavisLD@outlook.com";
pop3.Password = "password";
pop3.Port = 995;
pop3.EnableSsl = true;

//Connect the pop server
pop3.Connect();

//Get the number of messages before deleting message(s)
Pop3MessageInfoCollection messages = pop3.GetAllMessages();
Console.WriteLine("Number of messages before deleting: " + messages.Count);

//Delete an email message by its sequence number
pop3.DeleteMessage(2);

//Delete all messages
//pop3.DeleteAllMessages();

//Get the number of messages after deleting message(s)
messages = pop3.GetAllMessages();
Console.WriteLine("Number of messages after deleting: " + messages.Count);
[VB.NET]
'Create a POP3 client
Dim pop3 As New Pop3Client()

'Set host, authentication, port and connection protocol
pop3.Host = "outlook.office365.com"
pop3.Username = "LeonDavisLD@outlook.com"
pop3.Password = "password"
pop3.Port = 995
pop3.EnableSsl = True

'Connect the server
pop3.Connect()

'Get the number of messages before deleting message(s)
Dim messages As Pop3MessageInfoCollection = pop3.GetAllMessages()
Console.WriteLine("Number of messages before deleting: " + messages.Count)

'Delete an email message by its sequence number
pop3.DeleteMessage(2)

'Delete all messages
'pop3.DeleteAllMessages();

'Get the number of messages after deleting message(s)
messages = pop3.GetAllMessages()
Console.WriteLine("Number of messages after deleting: " + messages.Count)