internal MailWriter SendMail(MailAddress sender, MailAddressCollection recipients, string deliveryNotify, out SmtpFailedRecipientException exception)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (recipients == null)
{
throw new ArgumentNullException("recipients");
}
MailCommand.Send(this.connection, SmtpCommands.Mail, sender.SmtpAddress);
this.failedRecipientExceptions.Clear();
exception = null;
foreach (MailAddress address in recipients)
{
string str;
if (!RecipientCommand.Send(this.connection, this.connection.DSNEnabled ? (address.SmtpAddress + deliveryNotify) : address.SmtpAddress, out str))
{
this.failedRecipientExceptions.Add(new SmtpFailedRecipientException(this.connection.Reader.StatusCode, address.SmtpAddress, str));
}
}
if (this.failedRecipientExceptions.Count > 0)
{
if (this.failedRecipientExceptions.Count == 1)
{
exception = (SmtpFailedRecipientException) this.failedRecipientExceptions[0];
}
else
{
exception = new SmtpFailedRecipientsException(this.failedRecipientExceptions, this.failedRecipientExceptions.Count == recipients.Count);
}
if (this.failedRecipientExceptions.Count == recipients.Count)
{
exception.fatal = true;
throw exception;
}
}
DataCommand.Send(this.connection);
return new MailWriter(this.connection.GetClosableStream());
}
public SmtpFailedRecipientsException(string message, SmtpFailedRecipientException[] innerExceptions) : base(message, ((innerExceptions != null) && (innerExceptions.Length > 0)) ? innerExceptions[0].FailedRecipient : null, ((innerExceptions != null) && (innerExceptions.Length > 0)) ? innerExceptions[0] : null)
{
if (innerExceptions == null)
{
throw new ArgumentNullException("innerExceptions");
}
this.innerExceptions = (innerExceptions == null) ? new SmtpFailedRecipientException[0] : innerExceptions;
}
public SmtpFailedRecipientsException(string message, SmtpFailedRecipientException[] innerExceptions) :
base(message, innerExceptions != null && innerExceptions.Length > 0 ? innerExceptions[0].FailedRecipient : null,
innerExceptions != null && innerExceptions.Length > 0 ? innerExceptions[0] : null)
{
if (innerExceptions == null)
{
throw new ArgumentNullException(nameof(innerExceptions));
}
_innerExceptions = innerExceptions == null ? new SmtpFailedRecipientException[0] : innerExceptions;
}
internal MailWriter SendMail(MailAddress sender, MailAddressCollection recipients, string deliveryNotify,
bool allowUnicode, out SmtpFailedRecipientException exception)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (recipients == null)
{
throw new ArgumentNullException("recipients");
}
GlobalLog.Assert(recipients.Count > 0, "SmtpTransport::SendMail()|recepients.Count <= 0");
MailCommand.Send(connection, SmtpCommands.Mail, sender, allowUnicode);
failedRecipientExceptions.Clear();
exception = null;
string response;
foreach (MailAddress address in recipients) {
string smtpAddress = address.GetSmtpAddress(allowUnicode);
string to = smtpAddress + (connection.DSNEnabled ? deliveryNotify : String.Empty);
if (!RecipientCommand.Send(connection, to, out response)) {
failedRecipientExceptions.Add(
new SmtpFailedRecipientException(connection.Reader.StatusCode, smtpAddress, response));
}
}
if (failedRecipientExceptions.Count > 0)
{
if (failedRecipientExceptions.Count == 1)
{
exception = (SmtpFailedRecipientException) failedRecipientExceptions[0];
}
else
{
exception = new SmtpFailedRecipientsException(failedRecipientExceptions, failedRecipientExceptions.Count == recipients.Count);
}
if (failedRecipientExceptions.Count == recipients.Count){
exception.fatal = true;
throw exception;
}
}
DataCommand.Send(connection);
return new MailWriter(connection.GetClosableStream());
}
private void SendMailCallback(IAsyncResult result)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("SmtpClient#" + LoggingHash.HashString(this) + "::SendMailCallback");
}
try
{
_writer = _transport.EndSendMail(result);
// If some recipients failed but not others, send the e-mail anyways, but then return the
// "Non-fatal" exception reporting the failures. The sync code path does it this way.
// Fatal exceptions would have thrown above at transport.EndSendMail(...)
SendMailAsyncResult sendResult = (SendMailAsyncResult)result;
// Save these and throw them later in SendMessageCallback, after the message has sent.
_failedRecipientException = sendResult.GetFailedRecipientException();
}
catch (Exception e)
{
Complete(e, result);
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("SmtpClient#" + LoggingHash.HashString(this) + "::SendMailCallback");
}
return;
}
try
{
if (_cancelled)
{
Complete(null, result);
}
else
{
_message.BeginSend(_writer, DeliveryMethod != SmtpDeliveryMethod.Network,
ServerSupportsEai, new AsyncCallback(SendMessageCallback), result.AsyncState);
}
}
catch (Exception e)
{
Complete(e, result);
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("SmtpClient#" + LoggingHash.HashString(this) + "::SendMailCallback");
}
}
internal MailWriter SendMail(MailAddress sender, MailAddressCollection recipients, string deliveryNotify,
bool allowUnicode, out SmtpFailedRecipientException exception)
{
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (recipients == null)
{
throw new ArgumentNullException(nameof(recipients));
}
MailCommand.Send(_connection, SmtpCommands.Mail, sender, allowUnicode);
_failedRecipientExceptions.Clear();
exception = null;
string response;
foreach (MailAddress address in recipients)
{
string smtpAddress = address.GetSmtpAddress(allowUnicode);
string to = smtpAddress + (_connection.DSNEnabled ? deliveryNotify : string.Empty);
if (!RecipientCommand.Send(_connection, to, out response))
{
_failedRecipientExceptions.Add(
new SmtpFailedRecipientException(_connection.Reader.StatusCode, smtpAddress, response));
}
}
if (_failedRecipientExceptions.Count > 0)
{
if (_failedRecipientExceptions.Count == 1)
{
exception = _failedRecipientExceptions[0];
}
else
{
exception = new SmtpFailedRecipientsException(_failedRecipientExceptions, _failedRecipientExceptions.Count == recipients.Count);
}
if (_failedRecipientExceptions.Count == recipients.Count)
{
exception.fatal = true;
throw exception;
}
}
DataCommand.Send(_connection);
return new MailWriter(_connection.GetClosableStream());
}
private void SendCore (MailMessage message)
{
SmtpResponse status;
status = Read ();
if (IsError (status))
throw new SmtpException (status.StatusCode, status.Description);
// EHLO
// FIXME: parse the list of extensions so we don't bother wasting
// our time trying commands if they aren't supported.
status = SendCommand ("EHLO " + Dns.GetHostName ());
if (IsError (status)) {
status = SendCommand ("HELO " + Dns.GetHostName ());
if (IsError (status))
throw new SmtpException (status.StatusCode, status.Description);
} else {
// Parse ESMTP extensions
string extens = status.Description;
if (extens != null)
ParseExtensions (extens);
}
if (enableSsl) {
InitiateSecureConnection ();
ResetExtensions();
writer = new StreamWriter (stream);
reader = new StreamReader (stream);
status = SendCommand ("EHLO " + Dns.GetHostName ());
if (IsError (status)) {
status = SendCommand ("HELO " + Dns.GetHostName ());
if (IsError (status))
throw new SmtpException (status.StatusCode, status.Description);
} else {
// Parse ESMTP extensions
string extens = status.Description;
if (extens != null)
ParseExtensions (extens);
}
}
if (authMechs != AuthMechs.None)
Authenticate ();
// The envelope sender: use 'Sender:' in preference of 'From:'
MailAddress sender = message.Sender;
if (sender == null)
sender = message.From;
if (sender == null)
sender = defaultFrom;
// MAIL FROM:
status = SendCommand ("MAIL FROM:<" + sender.Address + '>');
if (IsError (status)) {
throw new SmtpException (status.StatusCode, status.Description);
}
// Send RCPT TO: for all recipients
List<SmtpFailedRecipientException> sfre = new List<SmtpFailedRecipientException> ();
for (int i = 0; i < message.To.Count; i ++) {
status = SendCommand ("RCPT TO:<" + message.To [i].Address + '>');
if (IsError (status))
sfre.Add (new SmtpFailedRecipientException (status.StatusCode, message.To [i].Address));
}
for (int i = 0; i < message.CC.Count; i ++) {
status = SendCommand ("RCPT TO:<" + message.CC [i].Address + '>');
if (IsError (status))
sfre.Add (new SmtpFailedRecipientException (status.StatusCode, message.CC [i].Address));
}
for (int i = 0; i < message.Bcc.Count; i ++) {
status = SendCommand ("RCPT TO:<" + message.Bcc [i].Address + '>');
if (IsError (status))
sfre.Add (new SmtpFailedRecipientException (status.StatusCode, message.Bcc [i].Address));
}
#if TARGET_JVM // List<T>.ToArray () is not supported
if (sfre.Count > 0) {
SmtpFailedRecipientException[] xs = new SmtpFailedRecipientException[sfre.Count];
sfre.CopyTo (xs);
throw new SmtpFailedRecipientsException ("failed recipients", xs);
}
#else
if (sfre.Count >0)
throw new SmtpFailedRecipientsException ("failed recipients", sfre.ToArray ());
#endif
// DATA
status = SendCommand ("DATA");
if (IsError (status))
throw new SmtpException (status.StatusCode, status.Description);
// Send message headers
string dt = DateTime.Now.ToString ("ddd, dd MMM yyyy HH':'mm':'ss zzz", DateTimeFormatInfo.InvariantInfo);
// remove ':' from time zone offset (e.g. from "+01:00")
dt = dt.Remove (dt.Length - 3, 1);
SendHeader (HeaderName.Date, dt);
MailAddress from = message.From;
if (from == null)
from = defaultFrom;
SendHeader (HeaderName.From, EncodeAddress (from));
SendHeader (HeaderName.To, EncodeAddresses (message.To));
if (message.CC.Count > 0)
SendHeader (HeaderName.Cc, EncodeAddresses (message.CC));
SendHeader (HeaderName.Subject, EncodeSubjectRFC2047 (message));
string v = "normal";
switch (message.Priority){
case MailPriority.Normal:
v = "normal";
break;
case MailPriority.Low:
v = "non-urgent";
break;
case MailPriority.High:
v = "urgent";
break;
}
SendHeader ("Priority", v);
if (message.Sender != null)
SendHeader ("Sender", EncodeAddress (message.Sender));
if (message.ReplyToList.Count > 0)
SendHeader ("Reply-To", EncodeAddresses (message.ReplyToList));
#if NET_4_0
foreach (string s in message.Headers.AllKeys)
SendHeader (s, ContentType.EncodeSubjectRFC2047 (message.Headers [s], message.HeadersEncoding));
#else
foreach (string s in message.Headers.AllKeys)
SendHeader (s, message.Headers [s]);
#endif
AddPriorityHeader (message);
boundaryIndex = 0;
if (message.Attachments.Count > 0)
SendWithAttachments (message);
else
SendWithoutAttachments (message, null, false);
SendDot ();
status = Read ();
if (IsError (status))
throw new SmtpException (status.StatusCode, status.Description);
try {
status = SendCommand ("QUIT");
} catch (System.IO.IOException) {
// We excuse server for the rude connection closing as a response to QUIT
}
}
public SmtpFailedRecipientsException(string message, SmtpFailedRecipientException[] innerExceptions)
{
}
public SmtpFailedRecipientsException (string message, SmtpFailedRecipientException[] innerExceptions) : base (message)
{
this.innerExceptions = innerExceptions;
}
public void Send(MailMessage message)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this, message);
}
if (_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
try
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, $"DeliveryMethod={DeliveryMethod}");
NetEventSource.Associate(this, message);
}
SmtpFailedRecipientException recipientException = null;
if (InCall)
{
throw new InvalidOperationException(SR.net_inasync);
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (DeliveryMethod == SmtpDeliveryMethod.Network)
{
CheckHostAndPort();
}
MailAddressCollection 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);
}
_transport.IdentityRequired = false; // everything completes on the same thread.
try
{
InCall = true;
_timedOut = false;
_timer = new Timer(new TimerCallback(TimeOutCallback), null, Timeout, Timeout);
bool allowUnicode = false;
string pickupDirectory = PickupDirectoryLocation;
MailWriter writer;
switch (DeliveryMethod)
{
case SmtpDeliveryMethod.PickupDirectoryFromIis:
throw new NotSupportedException(SR.SmtpGetIisPickupDirectoryNotSupported);
case SmtpDeliveryMethod.SpecifiedPickupDirectory:
if (EnableSsl)
{
throw new SmtpException(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;
}
_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 (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
{
InCall = false;
if (_timer != null)
{
_timer.Dispose();
}
}
}
finally
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
}
}
private void SendCore(MailMessage message)
{
SmtpResponse status;
status = Read();
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
// EHLO
// FIXME: parse the list of extensions so we don't bother wasting
// our time trying commands if they aren't supported.
status = SendCommand("EHLO " + Dns.GetHostName());
if (IsError(status))
{
status = SendCommand("HELO " + Dns.GetHostName());
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
}
else
{
// Parse ESMTP extensions
string extens = status.Description;
if (extens != null)
{
ParseExtensions(extens);
}
}
if (enableSsl)
{
InitiateSecureConnection();
ResetExtensions();
writer = new StreamWriter(stream);
reader = new StreamReader(stream);
status = SendCommand("EHLO " + Dns.GetHostName());
if (IsError(status))
{
status = SendCommand("HELO " + Dns.GetHostName());
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
}
else
{
// Parse ESMTP extensions
string extens = status.Description;
if (extens != null)
{
ParseExtensions(extens);
}
}
}
if (authMechs != AuthMechs.None)
{
Authenticate();
}
MailAddress from = message.From;
if (from == null)
{
from = defaultFrom;
}
// MAIL FROM:
status = SendCommand("MAIL FROM:<" + from.Address + '>');
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
// Send RCPT TO: for all recipients
List <SmtpFailedRecipientException> sfre = new List <SmtpFailedRecipientException> ();
for (int i = 0; i < message.To.Count; i++)
{
status = SendCommand("RCPT TO:<" + message.To [i].Address + '>');
if (IsError(status))
{
sfre.Add(new SmtpFailedRecipientException(status.StatusCode, message.To [i].Address));
}
}
for (int i = 0; i < message.CC.Count; i++)
{
status = SendCommand("RCPT TO:<" + message.CC [i].Address + '>');
if (IsError(status))
{
sfre.Add(new SmtpFailedRecipientException(status.StatusCode, message.CC [i].Address));
}
}
for (int i = 0; i < message.Bcc.Count; i++)
{
status = SendCommand("RCPT TO:<" + message.Bcc [i].Address + '>');
if (IsError(status))
{
sfre.Add(new SmtpFailedRecipientException(status.StatusCode, message.Bcc [i].Address));
}
}
#if TARGET_JVM // List<T>.ToArray () is not supported
if (sfre.Count > 0)
{
SmtpFailedRecipientException[] xs = new SmtpFailedRecipientException[sfre.Count];
sfre.CopyTo(xs);
throw new SmtpFailedRecipientsException("failed recipients", xs);
}
#else
if (sfre.Count > 0)
{
throw new SmtpFailedRecipientsException("failed recipients", sfre.ToArray());
}
#endif
// DATA
status = SendCommand("DATA");
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
// Send message headers
string dt = DateTime.Now.ToString("ddd, dd MMM yyyy HH':'mm':'ss zzz", DateTimeFormatInfo.InvariantInfo);
// remove ':' from time zone offset (e.g. from "+01:00")
dt = dt.Remove(dt.Length - 3, 1);
SendHeader(HeaderName.Date, dt);
SendHeader(HeaderName.From, EncodeAddress(from));
SendHeader(HeaderName.To, EncodeAddresses(message.To));
if (message.CC.Count > 0)
{
SendHeader(HeaderName.Cc, EncodeAddresses(message.CC));
}
SendHeader(HeaderName.Subject, EncodeSubjectRFC2047(message));
string v = "normal";
switch (message.Priority)
{
case MailPriority.Normal:
v = "normal";
break;
case MailPriority.Low:
v = "non-urgent";
break;
case MailPriority.High:
v = "urgent";
break;
}
SendHeader("Priority", v);
if (message.Sender != null)
{
SendHeader("Sender", EncodeAddress(message.Sender));
}
if (message.ReplyTo != null)
{
SendHeader("ReplyTo", EncodeAddress(message.ReplyTo));
}
foreach (string s in message.Headers.AllKeys)
{
SendHeader(s, message.Headers [s]);
}
AddPriorityHeader(message);
boundaryIndex = 0;
if (message.Attachments.Count > 0)
{
SendWithAttachments(message);
}
else
{
SendWithoutAttachments(message, null, false);
}
SendDot();
status = Read();
if (IsError(status))
{
throw new SmtpException(status.StatusCode, status.Description);
}
try {
status = SendCommand("QUIT");
} catch (System.IO.IOException) {
// We excuse server for the rude connection closing as a response to QUIT
}
}
public SmtpFailedRecipientsException(string message, Exception innerException) : base(message, innerException)
{
SmtpFailedRecipientException exception = innerException as SmtpFailedRecipientException;
this.innerExceptions = (exception == null) ? new SmtpFailedRecipientException[0] : new SmtpFailedRecipientException[] { exception };
}
public SmtpFailedRecipientsException(string message, Exception innerException) : base(message, innerException)
{
SmtpFailedRecipientException smtpException = innerException as SmtpFailedRecipientException;
_innerExceptions = smtpException == null ? new SmtpFailedRecipientException[0] : new SmtpFailedRecipientException[] { smtpException };
}
private void SendMailCallback(IAsyncResult result)
{
try
{
this.writer = this.transport.EndSendMail(result);
this.failedRecipientException = ((SendMailAsyncResult) result).GetFailedRecipientException();
}
catch (Exception ex)
{
this.Complete(ex, result);
return;
}
try
{
if (this.cancelled)
this.Complete((Exception) null, result);
else
this.message.BeginSend((BaseWriter) this.writer, this.DeliveryMethod != SmtpDeliveryMethod.Network, this.ServerSupportsEai, new AsyncCallback(this.SendMessageCallback), result.AsyncState);
}
catch (Exception ex)
{
this.Complete(ex, result);
}
}
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);
}
}
}