通过

SmtpClient.Port 属性

  • 参考

定义

命名空间:
System.Net.Mail
程序集:
System.Net.Mail.dll
程序集:
System.dll
程序集:
netstandard.dll
Source:
SmtpClient.cs
Source:
SmtpClient.cs
Source:
SmtpClient.cs

获取或设置用于 SMTP 事务的端口。

public:
 property int Port { int get(); void set(int value); };
public int Port { get; set; }
member this.Port : int with get, set
Public Property Port As Integer

属性值

Int32

Int32，包含 SMTP 主机上的端口号。 默认值为 25。

例外

ArgumentOutOfRangeException

为设置操作指定的值小于或等于零。

InvalidOperationException

发送电子邮件时无法更改此属性的值。

示例

下面的代码示例演示如何使用应用程序配置文件中指定的主机和端口发送电子邮件。

static void CreateTestMessage4( String^ server )
{
   MailAddress^ from = gcnew MailAddress( L"ben@contoso.com" );
   MailAddress^ to = gcnew MailAddress( L"Jane@contoso.com" );
   MailMessage^ message = gcnew MailMessage( from,to );
   message->Subject = L"Using the SmtpClient class.";
   message->Body = L"Using this feature, you can send an email message from an application very easily.";
   SmtpClient^ client = gcnew SmtpClient( server );
   Console::WriteLine( L"Sending an email message to {0} by using SMTP host {1} port {2}.", to, client->Host, client->Port );
   client->Send( message );
   client->~SmtpClient();
}

public static void CreateTestMessage4(string server)
{
    MailAddress from = new MailAddress("ben@contoso.com");
    MailAddress to = new MailAddress("Jane@contoso.com");
    MailMessage message = new MailMessage(from, to);
    message.Subject = "Using the SmtpClient class.";
    message.Body = @"Using this feature, you can send an email message from an application very easily.";
    SmtpClient client = new SmtpClient(server);
    Console.WriteLine("Sending an email message to {0} by using SMTP host {1} port {2}.",
         to.ToString(), client.Host, client.Port);

    try
    {
        client.Send(message);
    }
    catch (Exception ex)
    {
        Console.WriteLine("Exception caught in CreateTestMessage4(): {0}",
            ex.ToString());
    }
}

注解

还可以使用构造函数或应用程序或计算机配置文件设置 属性的值 Port 。 有关使用配置文件的详细信息，请参阅 <mailSettings> Element (Network Settings) 。 如果使用此属性指定信息，则此信息将替代配置文件设置。

适用于

另请参阅