private void Complete(Exception exception, IAsyncResult result)
{
ContextAwareResult operationCompletedResult = (ContextAwareResult)result.AsyncState;
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
}
try
{
if (_cancelled)
{
//any exceptions were probably caused by cancellation, clear it.
exception = null;
Abort();
}
// An individual failed recipient exception is benign, only abort here if ALL the recipients failed.
else if (exception != null && (!(exception is SmtpFailedRecipientException) || ((SmtpFailedRecipientException)exception).fatal))
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, exception);
}
Abort();
if (!(exception is SmtpException))
{
exception = new SmtpException(SR.SmtpSendMailFailure, exception);
}
}
else
{
if (_writer != null)
{
try
{
_writer.Close();
}
// Close may result in a DataStopCommand and the server may return error codes at this time.
catch (SmtpException se)
{
exception = se;
}
}
_transport.ReleaseConnection();
}
}
finally
{
operationCompletedResult.InvokeCallback(exception);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, "Complete");
}
}
void Complete(Exception exception, IAsyncResult result)
{
ContextAwareResult operationCompletedResult = (ContextAwareResult)result.AsyncState;
GlobalLog.Enter("SmtpClient#" + ValidationHelper.HashString(this) + "::Complete");
try {
if (cancelled)
{
//any exceptions were probably caused by cancellation, clear it.
exception = null;
Abort();
}
// An individual failed recipient exception is benign, only abort here if ALL the recipients failed.
else if (exception != null && (!(exception is SmtpFailedRecipientException) || ((SmtpFailedRecipientException)exception).fatal))
{
GlobalLog.Print("SmtpClient#" + ValidationHelper.HashString(this) + "::Complete Exception: " + exception.ToString());
Abort();
if (!(exception is SmtpException))
{
exception = new SmtpException(SR.GetString(SR.SmtpSendMailFailure), exception);
}
}
else
{
if (writer != null)
{
try {
writer.Close();
}
// Close may result in a DataStopCommand and the server may return error codes at this time.
catch (SmtpException se) {
exception = se;
}
}
transport.ReleaseConnection();
}
}
finally {
operationCompletedResult.InvokeCallback(exception);
}
GlobalLog.Leave("SmtpClient#" + ValidationHelper.HashString(this) + "::Complete");
}
public void SendAsync(MailMessage message, object userToken)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Enter(NetEventSource.ComponentType.Web, this, "SendAsync", "DeliveryMethod=" + DeliveryMethod.ToString());
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("SmtpClient#" + LoggingHash.HashString(this) + "::SendAsync Transport#" + LoggingHash.HashString(_transport));
}
try
{
if (InCall)
{
throw new InvalidOperationException(SR.net_inasync);
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
CheckHostAndPort();
_recipients = new MailAddressCollection();
if (message.From == null)
{
throw new InvalidOperationException(SR.SmtpFromRequired);
}
if (message.To != null)
{
foreach (MailAddress address in message.To)
{
_recipients.Add(address);
}
}
if (message.Bcc != null)
{
foreach (MailAddress address in message.Bcc)
{
_recipients.Add(address);
}
}
if (message.CC != null)
{
foreach (MailAddress address in message.CC)
{
_recipients.Add(address);
}
}
if (_recipients.Count == 0)
{
throw new InvalidOperationException(SR.SmtpRecipientRequired);
}
try
{
InCall = true;
_cancelled = false;
_message = message;
string pickupDirectory = PickupDirectoryLocation;
CredentialCache cache;
// Skip token capturing if no credentials are used or they don't include a default one.
// Also do capture the token if ICredential is not of CredentialCache type so we don't know what the exact credential response will be.
_transport.IdentityRequired = Credentials != null && (ReferenceEquals(Credentials, CredentialCache.DefaultNetworkCredentials) || (cache = Credentials as CredentialCache) == null);
_asyncOp = AsyncOperationManager.CreateOperation(userToken);
switch (DeliveryMethod)
{
case SmtpDeliveryMethod.PickupDirectoryFromIis:
throw new NotSupportedException(SR.SmtpGetIisPickupDirectoryNotSupported);
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
{
if (EnableSsl)
{
throw new SmtpException(SR.SmtpPickupDirectoryDoesnotSupportSsl);
}
_writer = GetFileMailWriter(pickupDirectory);
bool allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, _recipients, allowUnicode);
message.Send(_writer, true, allowUnicode);
if (_writer != null)
_writer.Close();
_transport.ReleaseConnection();
AsyncCompletedEventArgs eventArgs = new AsyncCompletedEventArgs(null, false, _asyncOp.UserSuppliedState);
InCall = false;
_asyncOp.PostOperationCompleted(_onSendCompletedDelegate, eventArgs);
break;
}
case SmtpDeliveryMethod.Network:
default:
_operationCompletedResult = new ContextAwareResult(_transport.IdentityRequired, true, null, this, s_contextSafeCompleteCallback);
lock (_operationCompletedResult.StartPostingAsyncOp())
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Print("SmtpClient#" + LoggingHash.HashString(this) + "::SendAsync calling BeginConnect. Transport#" + LoggingHash.HashString(_transport));
}
_transport.BeginGetConnection(_operationCompletedResult, ConnectCallback, _operationCompletedResult, Host, Port);
_operationCompletedResult.FinishPostingAsyncOp();
}
break;
}
}
catch (Exception e)
{
InCall = false;
if (NetEventSource.Log.IsEnabled()) NetEventSource.Exception(NetEventSource.ComponentType.Web, this, "Send", e);
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
{
throw;
}
Abort();
if (_timedOut)
{
throw new SmtpException(SR.net_timeout);
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.SmtpSendMailFailure, e);
}
}
finally
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Exit(NetEventSource.ComponentType.Web, this, "SendAsync", null);
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("SmtpClient#" + LoggingHash.HashString(this) + "::SendAsync");
}
}
}
public void SendAsync(MailMessage message, object userToken)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this, message, userToken, _transport);
}
try
{
if (InCall)
{
throw new InvalidOperationException(SR.net_inasync);
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
{
CheckHostAndPort();
}
_recipients = new MailAddressCollection();
if (message.From == null)
{
throw new InvalidOperationException(SR.SmtpFromRequired);
}
if (message.To != null)
{
foreach (MailAddress address in message.To)
{
_recipients.Add(address);
}
}
if (message.Bcc != null)
{
foreach (MailAddress address in message.Bcc)
{
_recipients.Add(address);
}
}
if (message.CC != null)
{
foreach (MailAddress address in message.CC)
{
_recipients.Add(address);
}
}
if (_recipients.Count == 0)
{
throw new InvalidOperationException(SR.SmtpRecipientRequired);
}
try
{
InCall = true;
_cancelled = false;
_message = message;
string pickupDirectory = PickupDirectoryLocation;
CredentialCache cache;
// Skip token capturing if no credentials are used or they don't include a default one.
// Also do capture the token if ICredential is not of CredentialCache type so we don't know what the exact credential response will be.
_transport.IdentityRequired = Credentials != null && (ReferenceEquals(Credentials, CredentialCache.DefaultNetworkCredentials) || (cache = Credentials as CredentialCache) == null || IsSystemNetworkCredentialInCache(cache));
_asyncOp = AsyncOperationManager.CreateOperation(userToken);
switch (DeliveryMethod)
{
case SmtpDeliveryMethod.PickupDirectoryFromIis:
throw new NotSupportedException(SR.SmtpGetIisPickupDirectoryNotSupported);
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
{
if (EnableSsl)
{
throw new SmtpException(SR.SmtpPickupDirectoryDoesnotSupportSsl);
}
_writer = GetFileMailWriter(pickupDirectory);
bool allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, _recipients, allowUnicode);
message.Send(_writer, true, allowUnicode);
if (_writer != null)
{
_writer.Close();
}
_transport.ReleaseConnection();
AsyncCompletedEventArgs eventArgs = new AsyncCompletedEventArgs(null, false, _asyncOp.UserSuppliedState);
InCall = false;
_asyncOp.PostOperationCompleted(_onSendCompletedDelegate, eventArgs);
break;
}
case SmtpDeliveryMethod.Network:
default:
_operationCompletedResult = new ContextAwareResult(_transport.IdentityRequired, true, null, this, s_contextSafeCompleteCallback);
lock (_operationCompletedResult.StartPostingAsyncOp())
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, $"Calling BeginConnect. Transport: {_transport}");
}
_transport.BeginGetConnection(_operationCompletedResult, ConnectCallback, _operationCompletedResult, Host, Port);
_operationCompletedResult.FinishPostingAsyncOp();
}
break;
}
}
catch (Exception e)
{
InCall = false;
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, e);
}
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
{
throw;
}
Abort();
if (_timedOut)
{
throw new SmtpException(SR.net_timeout);
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.SmtpSendMailFailure, e);
}
}
finally
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
}
}
public void SendAsync(MailMessage message, object userToken) {
if (disposed) {
throw new ObjectDisposedException(this.GetType().FullName);
}
if (Logging.On) Logging.Enter(Logging.Web, this, "SendAsync", "DeliveryMethod=" + DeliveryMethod.ToString());
GlobalLog.Enter("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync Transport#" + ValidationHelper.HashString(transport));
try {
if (InCall) {
throw new InvalidOperationException(SR.GetString(SR.net_inasync));
}
if (message == null) {
throw new ArgumentNullException("message");
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
CheckHostAndPort();
recipients = new MailAddressCollection();
if (message.From == null) {
throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
}
if (message.To != null) {
foreach (MailAddress address in message.To) {
recipients.Add(address);
}
}
if (message.Bcc != null) {
foreach (MailAddress address in message.Bcc) {
recipients.Add(address);
}
}
if (message.CC != null) {
foreach (MailAddress address in message.CC) {
recipients.Add(address);
}
}
if (recipients.Count == 0) {
throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
}
try {
InCall = true;
cancelled = false;
this.message = message;
string pickupDirectory = PickupDirectoryLocation;
#if !FEATURE_PAL
CredentialCache cache;
// Skip token capturing if no credentials are used or they don't include a default one.
// Also do capture the token if ICredential is not of CredentialCache type so we don't know what the exact credential response will be.
transport.IdentityRequired = Credentials != null && (Credentials is SystemNetworkCredential || (cache = Credentials as CredentialCache) == null || cache.IsDefaultInCache);
#endif // !FEATURE_PAL
asyncOp = AsyncOperationManager.CreateOperation(userToken);
switch (DeliveryMethod) {
#if !FEATURE_PAL
case SmtpDeliveryMethod.PickupDirectoryFromIis:
pickupDirectory = IisPickupDirectory.GetPickupDirectory();
goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
{
if (EnableSsl)
throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
writer = GetFileMailWriter(pickupDirectory);
bool allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, recipients, allowUnicode);
message.Send(writer, true, allowUnicode);
if (writer != null)
writer.Close();
transport.ReleaseConnection();
AsyncCompletedEventArgs eventArgs = new AsyncCompletedEventArgs(null, false, asyncOp.UserSuppliedState);
InCall = false;
asyncOp.PostOperationCompleted(onSendCompletedDelegate, eventArgs);
break;
}
case SmtpDeliveryMethod.Network:
default:
operationCompletedResult = new ContextAwareResult(transport.IdentityRequired, true, null, this, _ContextSafeCompleteCallback);
lock (operationCompletedResult.StartPostingAsyncOp())
{
GlobalLog.Print("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync calling BeginConnect. Transport#" + ValidationHelper.HashString(transport));
transport.BeginGetConnection(ServicePoint, operationCompletedResult, ConnectCallback, operationCompletedResult);
operationCompletedResult.FinishPostingAsyncOp();
}
break;
}
}
catch (Exception e) {
InCall = false;
if (Logging.On) Logging.Exception(Logging.Web, this, "Send", e);
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal) {
throw;
}
Abort();
if (timedOut) {
throw new SmtpException(SR.GetString(SR.net_timeout));
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
}
} finally {
if (Logging.On) Logging.Exit(Logging.Web, this, "SendAsync", null);
GlobalLog.Leave("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync");
}
}
public void Send(MailMessage message) {
if (Logging.On) Logging.Enter(Logging.Web, this, "Send", message);
if (disposed) {
throw new ObjectDisposedException(this.GetType().FullName);
}
try {
if (Logging.On) Logging.PrintInfo(Logging.Web, this, "Send", "DeliveryMethod=" + DeliveryMethod.ToString());
if (Logging.On) Logging.Associate(Logging.Web, this, message);
SmtpFailedRecipientException recipientException = null;
if (InCall) {
throw new InvalidOperationException(SR.GetString(SR.net_inasync));
}
if (message == null) {
throw new ArgumentNullException("message");
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
CheckHostAndPort();
MailAddressCollection recipients = new MailAddressCollection();
if (message.From == null) {
throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
}
if (message.To != null) {
foreach (MailAddress address in message.To) {
recipients.Add(address);
}
}
if (message.Bcc != null) {
foreach (MailAddress address in message.Bcc) {
recipients.Add(address);
}
}
if (message.CC != null) {
foreach (MailAddress address in message.CC) {
recipients.Add(address);
}
}
if (recipients.Count == 0) {
throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
}
transport.IdentityRequired = false; // everything completes on the same thread.
try {
InCall = true;
timedOut = false;
timer = new Timer(new TimerCallback(this.TimeOutCallback), null, Timeout, Timeout);
bool allowUnicode = false;
string pickupDirectory = PickupDirectoryLocation;
MailWriter writer;
switch (DeliveryMethod) {
#if !FEATURE_PAL
case SmtpDeliveryMethod.PickupDirectoryFromIis:
pickupDirectory = IisPickupDirectory.GetPickupDirectory();
goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
if (EnableSsl)
throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
allowUnicode = IsUnicodeSupported(); // Determend by the DeliveryFormat paramiter
ValidateUnicodeRequirement(message, recipients, allowUnicode);
writer = GetFileMailWriter(pickupDirectory);
break;
case SmtpDeliveryMethod.Network:
default:
GetConnection();
// Detected durring GetConnection(), restrictable using the DeliveryFormat paramiter
allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, recipients, allowUnicode);
writer = transport.SendMail(message.Sender ?? message.From, recipients,
message.BuildDeliveryStatusNotificationString(), allowUnicode, out recipientException);
break;
}
this.message = message;
message.Send(writer, DeliveryMethod != SmtpDeliveryMethod.Network, allowUnicode);
writer.Close();
transport.ReleaseConnection();
//throw if we couldn't send to any of the recipients
if (DeliveryMethod == SmtpDeliveryMethod.Network && recipientException != null) {
throw recipientException;
}
}
catch (Exception e) {
if (Logging.On) Logging.Exception(Logging.Web, this, "Send", e);
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal) {
throw;
}
Abort();
if (timedOut) {
throw new SmtpException(SR.GetString(SR.net_timeout));
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
}
finally {
InCall = false;
if (timer != null) {
timer.Dispose();
}
}
} finally {
if (Logging.On) Logging.Exit(Logging.Web, this, "Send", null);
}
}
public void SendAsync(MailMessage message, object userToken)
{
if (disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
if (Logging.On)
{
Logging.Enter(Logging.Web, this, "SendAsync", "DeliveryMethod=" + DeliveryMethod.ToString());
}
GlobalLog.Enter("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync Transport#" + ValidationHelper.HashString(transport));
try {
if (InCall)
{
throw new InvalidOperationException(SR.GetString(SR.net_inasync));
}
if (message == null)
{
throw new ArgumentNullException("message");
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
{
CheckHostAndPort();
}
recipients = new MailAddressCollection();
if (message.From == null)
{
throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
}
if (message.To != null)
{
foreach (MailAddress address in message.To)
{
recipients.Add(address);
}
}
if (message.Bcc != null)
{
foreach (MailAddress address in message.Bcc)
{
recipients.Add(address);
}
}
if (message.CC != null)
{
foreach (MailAddress address in message.CC)
{
recipients.Add(address);
}
}
if (recipients.Count == 0)
{
throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
}
try {
InCall = true;
cancelled = false;
this.message = message;
string pickupDirectory = PickupDirectoryLocation;
#if !FEATURE_PAL
CredentialCache cache;
// Skip token capturing if no credentials are used or they don't include a default one.
// Also do capture the token if ICredential is not of CredentialCache type so we don't know what the exact credential response will be.
transport.IdentityRequired = Credentials != null && (Credentials is SystemNetworkCredential || (cache = Credentials as CredentialCache) == null || cache.IsDefaultInCache);
#endif // !FEATURE_PAL
asyncOp = AsyncOperationManager.CreateOperation(userToken);
switch (DeliveryMethod)
{
#if !FEATURE_PAL
case SmtpDeliveryMethod.PickupDirectoryFromIis:
pickupDirectory = IisPickupDirectory.GetPickupDirectory();
goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
{
if (EnableSsl)
{
throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
}
writer = GetFileMailWriter(pickupDirectory);
bool allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, recipients, allowUnicode);
message.Send(writer, true, allowUnicode);
if (writer != null)
{
writer.Close();
}
transport.ReleaseConnection();
AsyncCompletedEventArgs eventArgs = new AsyncCompletedEventArgs(null, false, asyncOp.UserSuppliedState);
InCall = false;
asyncOp.PostOperationCompleted(onSendCompletedDelegate, eventArgs);
break;
}
case SmtpDeliveryMethod.Network:
default:
operationCompletedResult = new ContextAwareResult(transport.IdentityRequired, true, null, this, _ContextSafeCompleteCallback);
lock (operationCompletedResult.StartPostingAsyncOp())
{
GlobalLog.Print("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync calling BeginConnect. Transport#" + ValidationHelper.HashString(transport));
transport.BeginGetConnection(ServicePoint, operationCompletedResult, ConnectCallback, operationCompletedResult);
operationCompletedResult.FinishPostingAsyncOp();
}
break;
}
}
catch (Exception e) {
InCall = false;
if (Logging.On)
{
Logging.Exception(Logging.Web, this, "Send", e);
}
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
{
throw;
}
Abort();
if (timedOut)
{
throw new SmtpException(SR.GetString(SR.net_timeout));
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
}
} finally {
if (Logging.On)
{
Logging.Exit(Logging.Web, this, "SendAsync", null);
}
GlobalLog.Leave("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync");
}
}
public void Send(MailMessage message)
{
if (Logging.On)
{
Logging.Enter(Logging.Web, this, "Send", message);
}
if (disposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
try {
if (Logging.On)
{
Logging.PrintInfo(Logging.Web, this, "Send", "DeliveryMethod=" + DeliveryMethod.ToString());
}
if (Logging.On)
{
Logging.Associate(Logging.Web, this, message);
}
SmtpFailedRecipientException recipientException = null;
if (InCall)
{
throw new InvalidOperationException(SR.GetString(SR.net_inasync));
}
if (message == null)
{
throw new ArgumentNullException("message");
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
{
CheckHostAndPort();
}
MailAddressCollection recipients = new MailAddressCollection();
if (message.From == null)
{
throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
}
if (message.To != null)
{
foreach (MailAddress address in message.To)
{
recipients.Add(address);
}
}
if (message.Bcc != null)
{
foreach (MailAddress address in message.Bcc)
{
recipients.Add(address);
}
}
if (message.CC != null)
{
foreach (MailAddress address in message.CC)
{
recipients.Add(address);
}
}
if (recipients.Count == 0)
{
throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
}
transport.IdentityRequired = false; // everything completes on the same thread.
try {
InCall = true;
timedOut = false;
timer = new Timer(new TimerCallback(this.TimeOutCallback), null, Timeout, Timeout);
bool allowUnicode = false;
string pickupDirectory = PickupDirectoryLocation;
MailWriter writer;
switch (DeliveryMethod)
{
#if !FEATURE_PAL
case SmtpDeliveryMethod.PickupDirectoryFromIis:
pickupDirectory = IisPickupDirectory.GetPickupDirectory();
goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
if (EnableSsl)
{
throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
}
allowUnicode = IsUnicodeSupported(); // Determend by the DeliveryFormat paramiter
ValidateUnicodeRequirement(message, recipients, allowUnicode);
writer = GetFileMailWriter(pickupDirectory);
break;
case SmtpDeliveryMethod.Network:
default:
GetConnection();
// Detected durring GetConnection(), restrictable using the DeliveryFormat paramiter
allowUnicode = IsUnicodeSupported();
ValidateUnicodeRequirement(message, recipients, allowUnicode);
writer = transport.SendMail(message.Sender ?? message.From, recipients,
message.BuildDeliveryStatusNotificationString(), allowUnicode, out recipientException);
break;
}
this.message = message;
message.Send(writer, DeliveryMethod != SmtpDeliveryMethod.Network, allowUnicode);
writer.Close();
transport.ReleaseConnection();
//throw if we couldn't send to any of the recipients
if (DeliveryMethod == SmtpDeliveryMethod.Network && recipientException != null)
{
throw recipientException;
}
}
catch (Exception e) {
if (Logging.On)
{
Logging.Exception(Logging.Web, this, "Send", e);
}
if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
{
throw;
}
Abort();
if (timedOut)
{
throw new SmtpException(SR.GetString(SR.net_timeout));
}
if (e is SecurityException ||
e is AuthenticationException ||
e is SmtpException)
{
throw;
}
throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
}
finally {
InCall = false;
if (timer != null)
{
timer.Dispose();
}
}
} finally {
if (Logging.On)
{
Logging.Exit(Logging.Web, this, "Send", null);
}
}
}
public void Send(MailMessage message)
{
if (Logging.On)
{
Logging.Enter(Logging.Web, this, "Send", message);
}
if (this.disposed)
{
throw new ObjectDisposedException(base.GetType().FullName);
}
try
{
if (Logging.On)
{
Logging.PrintInfo(Logging.Web, this, "Send", "DeliveryMethod=" + this.DeliveryMethod.ToString());
}
if (Logging.On)
{
Logging.Associate(Logging.Web, this, message);
}
SmtpFailedRecipientException exception = null;
if (this.InCall)
{
throw new InvalidOperationException(SR.GetString("net_inasync"));
}
if (message == null)
{
throw new ArgumentNullException("message");
}
if (this.DeliveryMethod == SmtpDeliveryMethod.Network)
{
this.CheckHostAndPort();
}
MailAddressCollection recipients = new MailAddressCollection();
if (message.From == null)
{
throw new InvalidOperationException(SR.GetString("SmtpFromRequired"));
}
if (message.To != null)
{
foreach (MailAddress address in message.To)
{
recipients.Add(address);
}
}
if (message.Bcc != null)
{
foreach (MailAddress address2 in message.Bcc)
{
recipients.Add(address2);
}
}
if (message.CC != null)
{
foreach (MailAddress address3 in message.CC)
{
recipients.Add(address3);
}
}
if (recipients.Count == 0)
{
throw new InvalidOperationException(SR.GetString("SmtpRecipientRequired"));
}
this.transport.IdentityRequired = false;
try
{
this.InCall = true;
this.timedOut = false;
this.timer = new System.Threading.Timer(new TimerCallback(this.TimeOutCallback), null, this.Timeout, this.Timeout);
switch (this.DeliveryMethod)
{
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
if (this.EnableSsl)
{
throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
}
break;
case SmtpDeliveryMethod.PickupDirectoryFromIis:
if (this.EnableSsl)
{
throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
}
goto Label_0235;
default:
goto Label_0244;
}
MailWriter fileMailWriter = this.GetFileMailWriter(this.PickupDirectoryLocation);
goto Label_0276;
Label_0235:
fileMailWriter = this.GetFileMailWriter(IisPickupDirectory.GetPickupDirectory());
goto Label_0276;
Label_0244:
this.GetConnection();
fileMailWriter = this.transport.SendMail((message.Sender != null) ? message.Sender : message.From, recipients, message.BuildDeliveryStatusNotificationString(), out exception);
Label_0276:
this.message = message;
message.Send(fileMailWriter, this.DeliveryMethod != SmtpDeliveryMethod.Network);
fileMailWriter.Close();
this.transport.ReleaseConnection();
if ((this.DeliveryMethod == SmtpDeliveryMethod.Network) && (exception != null))
{
throw exception;
}
}
catch (Exception exception2)
{
if (Logging.On)
{
Logging.Exception(Logging.Web, this, "Send", exception2);
}
if ((exception2 is SmtpFailedRecipientException) && !((SmtpFailedRecipientException)exception2).fatal)
{
throw;
}
this.Abort();
if (this.timedOut)
{
throw new SmtpException(SR.GetString("net_timeout"));
}
if (((exception2 is SecurityException) || (exception2 is AuthenticationException)) || (exception2 is SmtpException))
{
throw;
}
throw new SmtpException(SR.GetString("SmtpSendMailFailure"), exception2);
}
finally
{
this.InCall = false;
if (this.timer != null)
{
this.timer.Dispose();
}
}
}
finally
{
if (Logging.On)
{
Logging.Exit(Logging.Web, this, "Send", (string)null);
}
}
}