VerifyCompleted Event

public event ExtendedAsyncCompletedEventHandler<TResult> VerifyCompleted

Public Event VerifyCompleted ExtendedAsyncCompletedEventHandler(Of TResult)

public:
 event ExtendedAsyncCompletedEventHandler<TResult>^ VerifyCompleted

Shows how to send a message using the VerifyAsync asynchronous method.

using System;
using System.ComponentModel;
using ComponentPro;
using ComponentPro.Net.Mail;

...

// Create a new instance of the Smtp class.
Smtp client = new Smtp();

// Connect to the server.
client.Connect("myserver");

// Or you can specify the SMTP port with 
// client.Connect("myserver", 25); 
 
// Login to the server.
client.Authenticate("user", "password");

// ...

SmtpResponse response = await client.VerifyAsync("john@domain.com");

// ... 
 
// Check if the recipient's mail server accept the email address. 
if (response.Group == 2)
{
    Console.WriteLine("Server accepts the email address");
}
else
{
    Console.WriteLine("Server does accept the email address");
}

// Disconnect.
client.Disconnect();

Imports System.ComponentModel
Imports ComponentPro
Imports ComponentPro.Net.Mail

...

' Create a new instance of the Smtp class. 
Dim client As New Smtp()

' Connect to the server.
client.Connect("myserver")

' Or you can specify the SMTP port with 
' client.Connect("myserver", 25); 
 
' Login to the server.
client.Authenticate("user", "password")

' ... 
 
Dim response As SmtpResponse = Await client.VerifyAsync("john@domain.com")

' ... 
 
' Check if the recipient's mail server accept the email address. 
If response.Group = 2 Then 
    Console.WriteLine("Server accepts the email address")
Else 
    Console.WriteLine("Server does accept the email address")
End If 
 
' Disconnect.
client.Disconnect()

Shows how to send a message using the VerifyAsync asynchronous method.

using System;
using System.ComponentModel;
using ComponentPro;
using ComponentPro.Net.Mail;

...

public void DoSendAsync()
{
    // Create a new instance of the Smtp class. 
    Smtp client = new Smtp();

    // Connect to the server. 
    client.Connect("myserver");

    // Or you can specify the SMTP port with 
    // client.Connect("myserver", 25); 
 
    // Login to the server. 
    client.Authenticate("user", "password");

    // ... 
 
    // Register an event handler. 
    client.VerifyCompleted += client_VerifyCompleted;

    client.VerifyAsync("john@domain.com");

    // ... 
 
    // Disconnect. 
    client.Disconnect();
}

void client_VerifyCompleted(object sender, ExtendedAsyncCompletedEventArgs<SmtpResponse> e)
{
    // Smtp client = (Smtp)sender; 
    if (e.Error != null)
        Console.WriteLine("Error: " + e.Error.ToString());
    else 
    {
        SmtpResponse response = e.Result;

        // Check if the recipient's mail server accept the email address. 
        if (response.Group == 2)
        {
            Console.WriteLine("Server accepts the email address");
        }
        else 
        {
            Console.WriteLine("Server does accept the email address");
        }    
    }
}

Imports System.ComponentModel
Imports ComponentPro
Imports ComponentPro.Net.Mail

...

Public Sub DoSendAsync()
    ' Create a new instance of the Smtp class. 
    Dim client As New Smtp()

    ' Connect to the server. 
    client.Connect("myserver")

    ' Or you can specify the SMTP port with 
    ' client.Connect("myserver", 25); 
 
    ' Login to the server. 
    client.Authenticate("user", "password")

    ' ... 
 
    ' Register an event handler. 
    AddHandler client.VerifyCompleted, AddressOf client_VerifyCompleted

    client.VerifyAsync("john@domain.com")

    ' ... 
 
    ' Disconnect. 
    client.Disconnect()
End Sub 
 
Private Sub client_VerifyCompleted(ByVal sender As Object, ByVal e As ExtendedAsyncCompletedEventArgs(Of SmtpResponse))
    ' Smtp client = (Smtp)sender; 
    If e.Error IsNot Nothing Then 
        Console.WriteLine("Error: " & e.Error.ToString())
    Else 
        Dim response As SmtpResponse = e.Result

        ' Check if the recipient's mail server accept the email address. 
        If response.Group = 2 Then 
            Console.WriteLine("Server accepts the email address")
        Else 
            Console.WriteLine("Server does accept the email address")
        End If 
    End If 
End Sub

Reference