SmtpException.StatusCode Propriedade
Importante
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Obtém o código de status retornado por um servidor SMTP quando uma mensagem de email é transmitido.
public:
property System::Net::Mail::SmtpStatusCode StatusCode { System::Net::Mail::SmtpStatusCode get(); void set(System::Net::Mail::SmtpStatusCode value); };
public System.Net.Mail.SmtpStatusCode StatusCode { get; set; }
member this.StatusCode : System.Net.Mail.SmtpStatusCode with get, set
Public Property StatusCode As SmtpStatusCode
Um SmtpStatusCode valor que indica o erro que ocorreu.
O exemplo de código a seguir exibe o valor dessa propriedade.
static void RetryIfBusy( 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 = "Using the SmtpClient class.";
message->Subject = L"Using the SmtpClient class.";
message->Body = L"Using this feature, you can send an email message from an application very easily.";
// Add a carbon copy recipient.
MailAddress^ copy = gcnew MailAddress( L"Notifications@contoso.com" );
message->CC->Add( copy );
SmtpClient^ client = gcnew SmtpClient( server );
// Include credentials if the server requires them.
client->Credentials = dynamic_cast<ICredentialsByHost^>(CredentialCache::DefaultNetworkCredentials);
Console::WriteLine( L"Sending an email message to {0} using the SMTP host {1}.", to->Address, client->Host );
try
{
client->Send( message );
}
catch ( SmtpFailedRecipientsException^ ex )
{
for ( int i = 0; i < ex->InnerExceptions->Length; i++ )
{
SmtpStatusCode status = ex->InnerExceptions[ i ]->StatusCode;
if ( status == SmtpStatusCode::MailboxBusy || status == SmtpStatusCode::MailboxUnavailable )
{
Console::WriteLine( L"Delivery failed - retrying in 5 seconds." );
System::Threading::Thread::Sleep( 5000 );
client->Send( message );
}
else
{
Console::WriteLine( L"Failed to deliver message to {0}", ex->InnerExceptions[ i ] );
}
}
}
catch ( Exception^ ex )
{
Console::WriteLine(L"Exception caught in RetryIfBusy(): {0}",
ex->ToString() );
}
finally
{
client->~SmtpClient();
}
}
public static void RetryIfBusy(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.Subject = "Using the SmtpClient class.";
message.Body = @"Using this feature, you can send an email message from an application very easily.";
// Add a carbon copy recipient.
MailAddress copy = new MailAddress("Notifications@contoso.com");
message.CC.Add(copy);
SmtpClient client = new SmtpClient(server);
// Include credentials if the server requires them.
client.Credentials = (ICredentialsByHost)CredentialCache.DefaultNetworkCredentials;
Console.WriteLine("Sending an email message to {0} using the SMTP host {1}.",
to.Address, client.Host);
try
{
client.Send(message);
}
catch (SmtpFailedRecipientsException ex)
{
for (int i = 0; i < ex.InnerExceptions.Length; i++)
{
SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
if (status == SmtpStatusCode.MailboxBusy ||
status == SmtpStatusCode.MailboxUnavailable)
{
Console.WriteLine("Delivery failed - retrying in 5 seconds.");
System.Threading.Thread.Sleep(5000);
client.Send(message);
}
else
{
Console.WriteLine("Failed to deliver message to {0}",
ex.InnerExceptions[i].FailedRecipient);
}
}
}
catch (Exception ex)
{
Console.WriteLine("Exception caught in RetryIfBusy(): {0}",
ex.ToString());
}
}
Produto | Versões |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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