How to use

setMaxConnections

method

in

org.subethamail.smtp.server.SMTPServer

smtpServer.setMaxConnections(context.getProperty(SMTP_MAXIMUM_CONNECTIONS).asInteger());
smtpServer.setMaxMessageSize(maxMessageSize);
smtpServer.setConnectionTimeout(context.getProperty(SMTP_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());

/**
 * Create a new SMTP server with this class as the listener. The default port is set to 25. Call
 * setPort()/setHostname() before calling start().
 */
public NanoSMTP()
{
  Collection<MessageListener> listeners = new ArrayList<MessageListener>(1);
  listeners.add(this);
  this.server = new SMTPServer(listeners);
  this.server.setPort(25);
  this.server.setMaxConnections(30000);
}

protected void initSmtpReceiver() {
  Collection<MessageListener> listeners = new ArrayList<MessageListener>(1);
  listeners.add(this);
  if( enableTls ) {
    log.info("Creating TLS enabled server");
    this.smtpReceivingServer = new SMTPServer(listeners);
  } else {
    log.info("Creating TLS DIS-abled server");
    this.smtpReceivingServer = new TlsDisabledSmtpServer(listeners);
  }
  this.smtpReceivingServer.setPort(smtpPort);
  this.smtpReceivingServer.setMaxConnections(30000);
  CommandHandler cmdHandler = this.smtpReceivingServer.getCommandHandler();
  MessageListenerAdapter mla = (MessageListenerAdapter) smtpReceivingServer.getMessageHandlerFactory();
  mla.setAuthenticationHandlerFactory(null);
}
 

@Override
public void startup()
{
  serverImpl = new SMTPServer(new HandlerFactory());
  
  // MER - May need to override SMTPServer.createSSLSocket to specify non default keystore.
  serverImpl.setPort(getPort());
  serverImpl.setHostName(getDomain());
  serverImpl.setMaxConnections(getMaxConnections());
  
  serverImpl.setHideTLS(isHideTLS());
  serverImpl.setEnableTLS(isEnableTLS());
  serverImpl.setRequireTLS(isRequireTLS());
  
  if(isAuthenticate())
  {
    AuthenticationHandlerFactory authenticationHandler = new EasyAuthenticationHandlerFactory(new AlfrescoLoginUsernamePasswordValidator());
    serverImpl.setAuthenticationHandlerFactory(authenticationHandler);
  }
  
  serverImpl.start();
  log.info("Inbound SMTP Email Server has started successfully, on hostName:" + getDomain() + "port:" + getPort());
}

@Override
public void startup()
{
  serverImpl = new SMTPServer(new HandlerFactory());
  
  // MER - May need to override SMTPServer.createSSLSocket to specify non default keystore.
  serverImpl.setPort(getPort());
  serverImpl.setHostName(getDomain());
  serverImpl.setMaxConnections(getMaxConnections());
  
  serverImpl.setHideTLS(isHideTLS());
  serverImpl.setEnableTLS(isEnableTLS());
  serverImpl.setRequireTLS(isRequireTLS());
  
  if(isAuthenticate())
  {
    AuthenticationHandlerFactory authenticationHandler = new EasyAuthenticationHandlerFactory(new AlfrescoLoginUsernamePasswordValidator());
    serverImpl.setAuthenticationHandlerFactory(authenticationHandler);
  }
  
  serverImpl.start();
  log.info("Inbound SMTP Email Server has started successfully, on hostName:" + getDomain() + "port:" + getPort());
}

smtpServer.setMaxConnections(context.getProperty(SMTP_MAXIMUM_CONNECTIONS).asInteger());
smtpServer.setMaxMessageSize(maxMessageSize);
smtpServer.setConnectionTimeout(context.getProperty(SMTP_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());