public bool SendMail()
{
bool success = true;
try
{
MailClient.Host = SmtpServer;
if (UseSSL.HasValue)
{
MailClient.EnableSsl = UseSSL.Value;
}
if (Port.HasValue)
{
MailClient.Port = Port.Value;
}
if (!string.IsNullOrEmpty(SmtpUser))
{
MailClient.Credentials = new NetworkCredential(SmtpUser, SmtpPassword);
}
MailMessage message = new MailMessage(From, To)
{
Subject = Subject,
Body = Body
};
MailClient.Send(message);
}
catch (Exception mailException)
{
Errors.Add(mailException.Message);
success = false;
}
finally
{
MailClient.Dispose();
}
return(success);
}
private void CloseMailClient(MailClient client, MailBox mailbox, ILogger log)
{
if (client == null)
{
return;
}
try
{
client.Authenticated -= ClientOnAuthenticated;
client.GetMessage -= ClientOnGetMessage;
client.Cancel();
client.Dispose();
}
catch (Exception ex)
{
log.Error(
"CloseMailClient(Tenant = {0}, MailboxId = {1}, Address = '{2}') Exception: {3}",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail, ex.Message);
}
}
private MailBox ProcessMailbox(MailClient client, TasksConfig tasksConfig)
{
var mailbox = client.Account;
Stopwatch watch = null;
if (_tasksConfig.CollectStatistics)
{
watch = new Stopwatch();
watch.Start();
}
var failed = false;
var taskLogger = LoggerFactory.GetLogger(LoggerFactory.LoggerType.Log4Net,
string.Format("Mbox_{0} Task_{1}", mailbox.MailBoxId, Task.CurrentId));
taskLogger.Info(
"ProcessMailbox(Tenant = {0}, MailboxId = {1} Address = '{2}') Is {3}",
mailbox.TenantId, mailbox.MailBoxId,
mailbox.EMail, mailbox.Active ? "Active" : "Inactive");
try
{
client.Log = taskLogger;
client.GetMessage += ClientOnGetMessage;
client.Aggregate(tasksConfig, tasksConfig.MaxMessagesPerSession);
}
catch (OperationCanceledException)
{
taskLogger.Info(
"[CANCEL] ProcessMailbox(Tenant = {0}, MailboxId = {1}, Address = '{2}')",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail);
NotifySignalrIfNeed(mailbox, taskLogger);
}
catch (Exception ex)
{
taskLogger.Error(
"ProcessMailbox(Tenant = {0}, MailboxId = {1}, Address = '{2}')\r\nException: {3}\r\n",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail,
ex is ImapProtocolException || ex is Pop3ProtocolException ? ex.Message : ex.ToString());
failed = true;
}
finally
{
try
{
client.GetMessage -= ClientOnGetMessage;
client.Dispose();
}
catch (Exception ex)
{
_log.Error(
"[DISPOSE] ProcessMailbox->client.Dispose(Tenant = {0}, MailboxId = {1}, Address = '{2}')\r\nException: {3}\r\n",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail,
ex is ImapProtocolException || ex is Pop3ProtocolException ? ex.Message : ex.ToString());
}
if (_tasksConfig.CollectStatistics && watch != null)
{
watch.Stop();
LogStat(PROCESS_MAILBOX, mailbox, watch.Elapsed, failed);
}
}
var manager = new MailBoxManager(taskLogger);
var state = GetMailboxState(manager, mailbox, taskLogger);
switch (state)
{
case MailboxState.NoChanges:
taskLogger.Info("MailBox with id={0} not changed.", mailbox.MailBoxId);
break;
case MailboxState.Disabled:
taskLogger.Info("MailBox with id={0} is deactivated.", mailbox.MailBoxId);
break;
case MailboxState.Deleted:
taskLogger.Info("MailBox with id={0} is removed.", mailbox.MailBoxId);
try
{
taskLogger.Info("RemoveMailBox(id={0}) >> Try clear new data from removed mailbox", mailbox.MailBoxId);
manager.RemoveMailBox(mailbox);
}
catch (Exception exRem)
{
taskLogger.Info(
"[REMOVE] ProcessMailbox->RemoveMailBox(Tenant = {0}, MailboxId = {1}, Address = '{2}') Exception: {3}",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail, exRem.Message);
}
break;
case MailboxState.DateChanged:
taskLogger.Info("MailBox with id={0}: beginDate was changed.", mailbox.MailBoxId);
break;
default:
throw new ArgumentOutOfRangeException();
}
taskLogger.Info("Mailbox '{0}' has been processed.", mailbox.EMail);
return(mailbox);
}
public void Dispose()
{
_client.Dispose();
}
private MailClient CreateMailClient(MailBox mailbox, ILogger log, CancellationToken cancelToken)
{
MailClient client = null;
var connectError = false;
Stopwatch watch = null;
if (_tasksConfig.CollectStatistics)
{
watch = new Stopwatch();
watch.Start();
}
var manager = new MailBoxManager(log)
{
AuthErrorWarningTimeout = _tasksConfig.AuthErrorWarningTimeout,
AuthErrorDisableTimeout = _tasksConfig.AuthErrorDisableMailboxTimeout
};
try
{
client = new MailClient(mailbox, cancelToken, _tasksConfig.TcpTimeout,
_tasksConfig.SslCertificateErrorsPermit, _tasksConfig.ProtocolLogPath, log, true);
log.Debug("MailClient.LoginImapPop(Tenant = {0}, MailboxId = {1} Address = '{2}')",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail);
client.Authenticated += ClientOnAuthenticated;
client.LoginImapPop();
}
catch (TimeoutException exTimeout)
{
log.Warn(
"[TIMEOUT] CreateTasks->client.LoginImapPop(Tenant = {0}, MailboxId = {1}, Address = '{2}') Exception: {3}",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail, exTimeout.ToStringDescriptive());
connectError = true;
}
catch (OperationCanceledException)
{
log.Info(
"[CANCEL] CreateTasks->client.LoginImapPop(Tenant = {0}, MailboxId = {1}, Address = '{2}')",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail);
connectError = true;
}
catch (AuthenticationException authEx)
{
log.Error(
"CreateTasks->client.LoginImapPop(Tenant = {0}, MailboxId = {1}, Address = '{2}')\r\nException: {3}\r\n",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail, authEx.ToStringDescriptive());
if (!mailbox.AuthErrorDate.HasValue)
{
manager.SetMailboxAuthError(mailbox, true);
}
connectError = true;
}
catch (Exception ex)
{
log.Error(
"CreateTasks->client.LoginImapPop(Tenant = {0}, MailboxId = {1}, Address = '{2}')\r\nException: {3}\r\n",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail,
ex is ImapProtocolException || ex is Pop3ProtocolException ? ex.Message : ex.ToString());
connectError = true;
}
finally
{
if (connectError)
{
try
{
if (client != null)
{
client.Authenticated -= ClientOnAuthenticated;
client.Cancel();
client.Dispose();
client = null;
}
}
catch (Exception ex)
{
log.Error(
"CreateTasks->client.Dispose(Tenant = {0}, MailboxId = {1}, Address = '{2}') Exception: {3}",
mailbox.TenantId, mailbox.MailBoxId, mailbox.EMail, ex.Message);
client = null;
}
}
if (_tasksConfig.CollectStatistics && watch != null)
{
watch.Stop();
LogStat(CONNECT_MAILBOX, mailbox, watch.Elapsed, connectError);
}
}
return(client);
}