Error 500 Internal Server Error

GET https://pbp.dorseran-sigi.net/robots.txt

IP
216.73.216.153
Profiled on
Token
f35b0b

Exceptions

TransportException

HTTP 500 Internal Server Error

Failed to authenticate on SMTP server with username "noreply@teclatic.com" using the following authenticators: "CRAM-MD5", "LOGIN", "PLAIN". Authenticator "CRAM-MD5" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".". Authenticator "LOGIN" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".". Authenticator "PLAIN" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".".

Exception

Symfony\Component\Mailer\Exception\ TransportException

Show exception properties 
Symfony\Component\Mailer\Exception\TransportException {#4901
  -debug: """
    [2026-10-08T15:04:38.846438+02:00] < 220 lonuestro.teclatic.com ESMTP Postfix\r\n
    [2026-10-08T15:04:38.846476+02:00] > EHLO [127.0.0.1]\n
    [2026-10-08T15:04:38.885059+02:00] < 250-lonuestro.teclatic.com\r\n
    [2026-10-08T15:04:38.885073+02:00] < 250-PIPELINING\r\n
    [2026-10-08T15:04:38.885076+02:00] < 250-SIZE 25600000\r\n
    [2026-10-08T15:04:38.885079+02:00] < 250-ETRN\r\n
    [2026-10-08T15:04:38.885082+02:00] < 250-STARTTLS\r\n
    [2026-10-08T15:04:38.885085+02:00] < 250-ENHANCEDSTATUSCODES\r\n
    [2026-10-08T15:04:38.885087+02:00] < 250-8BITMIME\r\n
    [2026-10-08T15:04:38.885089+02:00] < 250-DSN\r\n
    [2026-10-08T15:04:38.885092+02:00] < 250 CHUNKING\r\n
    [2026-10-08T15:04:38.885211+02:00] > STARTTLS\n
    [2026-10-08T15:04:38.924405+02:00] < 220 2.0.0 Ready to start TLS\r\n
    [2026-10-08T15:04:39.096942+02:00] > EHLO [127.0.0.1]\n
    [2026-10-08T15:04:39.135715+02:00] < 250-lonuestro.teclatic.com\r\n
    [2026-10-08T15:04:39.135732+02:00] < 250-PIPELINING\r\n
    [2026-10-08T15:04:39.135735+02:00] < 250-SIZE 25600000\r\n
    [2026-10-08T15:04:39.135738+02:00] < 250-ETRN\r\n
    [2026-10-08T15:04:39.135741+02:00] < 250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN\r\n
    [2026-10-08T15:04:39.135744+02:00] < 250-ENHANCEDSTATUSCODES\r\n
    [2026-10-08T15:04:39.135746+02:00] < 250-8BITMIME\r\n
    [2026-10-08T15:04:39.135748+02:00] < 250-DSN\r\n
    [2026-10-08T15:04:39.135750+02:00] < 250 CHUNKING\r\n
    [2026-10-08T15:04:39.135798+02:00] > AUTH CRAM-MD5\n
    [2026-10-08T15:04:39.176044+02:00] < 334 PDM0NjYxNjc0NDIuMTMwNzk4ODlAbG9udWVzdHJvLnRlY2xhdGljLmNvbT4=\r\n
    [2026-10-08T15:04:39.176102+02:00] > bm9yZXBseUB0ZWNsYXRpYy5jb20gYWZjNjUyYjA0ODE2MmNhYzYyZWFmMmEwMjBlOGMxZTI=\n
    [2026-10-08T15:04:39.220323+02:00] < 535 5.7.8 Error: authentication failed: authentication failure\r\n
    [2026-10-08T15:04:39.221281+02:00] > RSET\n
    [2026-10-08T15:04:39.263403+02:00] < 250 2.0.0 Ok\r\n
    [2026-10-08T15:04:39.263451+02:00] > AUTH LOGIN\n
    [2026-10-08T15:04:39.319938+02:00] < 334 VXNlcm5hbWU6\r\n
    [2026-10-08T15:04:39.319974+02:00] > bm9yZXBseUB0ZWNsYXRpYy5jb20=\n
    [2026-10-08T15:04:39.359443+02:00] < 334 UGFzc3dvcmQ6\r\n
    [2026-10-08T15:04:39.359473+02:00] > QSYlNGJgQzQyYDh+QiVjNkAkPWA1YUQ=\n
    [2026-10-08T15:04:39.628091+02:00] < 535 5.7.8 Error: authentication failed: authentication failure\r\n
    [2026-10-08T15:04:39.628166+02:00] > RSET\n
    [2026-10-08T15:04:39.666764+02:00] < 250 2.0.0 Ok\r\n
    [2026-10-08T15:04:39.666809+02:00] > AUTH PLAIN bm9yZXBseUB0ZWNsYXRpYy5jb20Abm9yZXBseUB0ZWNsYXRpYy5jb20AQSYlNGJgQzQyYDh+QiVjNkAkPWA1YUQ=\n
    [2026-10-08T15:04:39.706207+02:00] < 535 5.7.8 Error: authentication failed: authentication failure\r\n
    [2026-10-08T15:04:39.706278+02:00] > RSET\n
    [2026-10-08T15:04:39.745097+02:00] < 250 2.0.0 Ok\r\n
    """
}
in vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php (line 269)
  1. $message = \sprintf('Failed to authenticate on SMTP server with username "%s" using the following authenticators: "%s".', $this->username, implode('", "', $authNames));
  2. foreach ($errors as $name => $error) {
  3. $message .= \sprintf(' Authenticator "%s" returned "%s".', $name, $error);
  4. }
  6. throw new TransportException($message, $code ?: 535);
  7. }
  8. }
in vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php -> handleAuth (line 199)
  1. if (!$tlsStarted && $this->isTlsRequired()) {
  2. throw new TransportException('TLS required but neither TLS or STARTTLS are in use.');
  3. }
  5. if (\array_key_exists('AUTH', $this->capabilities)) {
  6. $this->handleAuth($this->capabilities['AUTH']);
  7. }
  9. return $response;
  10. }
in vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php -> doEhloCommand (line 150)
  1. $this->authenticators[] = $authenticator;
  2. }
  4. public function executeCommand(string $command, array $codes): string
  5. {
  6. return [250] === $codes && str_starts_with($command, 'HELO ') ? $this->doEhloCommand() : parent::executeCommand($command, $codes);
  7. }
  9. final protected function getCapabilities(): array
  10. {
  11. return $this->capabilities;
in vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php -> executeCommand (line 244)
  1. return false;
  2. }
  4. private function doHeloCommand(): void
  5. {
  6. $this->executeCommand(\sprintf("HELO %s\r\n", $this->domain), [250]);
  7. }
  9. private function doMailFromCommand(string $address, bool $smtputf8): void
  10. {
  11. if ($smtputf8 && !$this->serverSupportsSmtpUtf8()) {
in vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php -> doHeloCommand (line 270)
  2. $this->getLogger()->debug(\sprintf('Email transport "%s" starting', __CLASS__));
  4. $this->stream->initialize();
  5. $this->assertResponseCode($this->getFullResponse(), [220]);
  6. $this->doHeloCommand();
  7. $this->started = true;
  8. $this->lastMessageTime = 0;
  10. $this->getLogger()->debug(\sprintf('Email transport "%s" started', __CLASS__));
  11. }
in vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php -> start (line 200)
  1. $this->ping();
  2. }
  4. try {
  5. if (!$this->started) {
  6. $this->start();
  7. }
  9. $envelope = $message->getEnvelope();
  10. $this->doMailFromCommand($envelope->getSender()->getEncodedAddress(), $envelope->anyAddressHasUnicodeLocalpart());
  11. foreach ($envelope->getRecipients() as $recipient) {
in vendor/symfony/mailer/Transport/AbstractTransport.php -> doSend (line 90)
  1. }
  3. $sentMessage = new SentMessage($message, $envelope);
  5. try {
  6. $this->doSend($sentMessage);
  7. } catch (\Throwable $error) {
  8. $this->dispatcher->dispatch(new FailedMessageEvent($message, $error));
  9. $this->checkThrottling();
  11. throw $error;
in vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php -> send (line 138)
  1. }
  3. public function send(RawMessage $message, ?Envelope $envelope = null): ?SentMessage
  4. {
  5. try {
  6. $message = parent::send($message, $envelope);
  7. } catch (TransportExceptionInterface $e) {
  8. if ($this->started) {
  9. try {
  10. $this->executeCommand("RSET\r\n", [250]);
  11. } catch (TransportExceptionInterface) {
in vendor/symfony/mailer/Transport/Transports.php -> send (line 51)
  2. public function send(RawMessage $message, ?Envelope $envelope = null): ?SentMessage
  3. {
  4. /** @var Message $message */
  5. if (RawMessage::class === $message::class || !$message->getHeaders()->has('X-Transport')) {
  6. return $this->default->send($message, $envelope);
  7. }
  9. $headers = $message->getHeaders();
  10. $transport = $headers->get('X-Transport')->getBody();
  11. $headers->remove('X-Transport');
in vendor/symfony/mailer/Messenger/MessageHandler.php -> send (line 29)
  1. ) {
  2. }
  4. public function __invoke(SendEmailMessage $message): ?SentMessage
  5. {
  6. return $this->transport->send($message->getMessage(), $message->getEnvelope());
  7. }
  8. }
in vendor/symfony/messenger/Middleware/HandleMessageMiddleware.php -> __invoke (line 148)
  1. }
  2. if (null !== $handlerArgumentsStamp) {
  3. $arguments = [...$arguments, ...$handlerArgumentsStamp->getAdditionalArguments()];
  4. }
  6. return $handler(...$arguments);
  7. }
  8. }
in vendor/symfony/messenger/Middleware/HandleMessageMiddleware.php -> callHandler (line 90)
  1. throw $ack->getError();
  2. } else {
  3. $result = $ack->getResult();
  4. }
  5. } else {
  6. $result = $this->callHandler($handler, $message, null, $envelope->last(HandlerArgumentsStamp::class));
  7. }
  9. $handledStamp = HandledStamp::fromDescriptor($handlerDescriptor, $result);
  10. $envelope = $envelope->with($handledStamp);
  11. $this->logger?->info('Message {class} handled by {handler}', $context + ['handler' => $handledStamp->getHandlerName()]);
in vendor/symfony/messenger/Middleware/SendMessageMiddleware.php -> handle (line 75)
  1. throw new NoSenderForMessageException(\sprintf('No sender for message "%s".', $context['class']));
  2. }
  3. }
  5. if (null === $sender) {
  6. return $stack->next()->handle($envelope, $stack);
  7. }
  9. // message should only be sent and not be handled by the next middleware
  10. return $envelope;
  11. }
in vendor/symfony/messenger/Middleware/FailedMessageProcessingMiddleware.php -> handle (line 34)
  1. // mark the message as "received" from the original transport
  2. // this guarantees the same behavior as when originally received
  3. $envelope = $envelope->with(new ReceivedStamp($sentToFailureStamp->getOriginalReceiverName()));
  4. }
  6. return $stack->next()->handle($envelope, $stack);
  7. }
  8. }
in vendor/symfony/messenger/Middleware/DispatchAfterCurrentBusMiddleware.php -> handle (line 68)
  2. // First time we get here, mark as inside a "root dispatch" call:
  3. $this->isRootDispatchCallRunning = true;
  4. try {
  5. // Execute the whole middleware stack & message handling for main dispatch:
  6. $returnedEnvelope = $stack->next()->handle($envelope, $stack);
  7. } catch (\Throwable $exception) {
  8. /*
  9. * Whenever an exception occurs while handling a message that has
  10. * queued other messages, we drop the queued ones.
  11. * This is intentional since the queued commands were likely dependent
in vendor/symfony/messenger/Middleware/RejectRedeliveredMessageMiddleware.php -> handle (line 41)
  1. $amqpReceivedStamp = $envelope->last(AmqpReceivedStamp::class);
  2. if ($amqpReceivedStamp instanceof AmqpReceivedStamp && $amqpReceivedStamp->getAmqpEnvelope()->isRedelivery()) {
  3. throw new RejectRedeliveredMessageException('Redelivered message from AMQP detected that will be rejected and trigger the retry logic.');
  4. }
  6. return $stack->next()->handle($envelope, $stack);
  7. }
  8. }
in vendor/symfony/messenger/Middleware/AddBusNameStampMiddleware.php -> handle (line 35)
  1. {
  2. if (null === $envelope->last(BusNameStamp::class)) {
  3. $envelope = $envelope->with(new BusNameStamp($this->busName));
  4. }
  6. return $stack->next()->handle($envelope, $stack);
  7. }
  8. }
in vendor/symfony/messenger/Middleware/AddDefaultStampsMiddleware.php -> handle (line 33)
  1. $envelope = $envelope->with($stamp);
  2. }
  3. }
  4. }
  6. return $stack->next()->handle($envelope, $stack);
  7. }
  8. }
in vendor/symfony/messenger/Middleware/TraceableMiddleware.php -> handle (line 36)
  1. public function handle(Envelope $envelope, StackInterface $stack): Envelope
  2. {
  3. $stack = new TraceableStack($stack, $this->stopwatch, $this->busName, $this->eventCategory);
  5. try {
  6. return $stack->next()->handle($envelope, $stack);
  7. } finally {
  8. $stack->stop();
  9. }
  10. }
  11. }
in vendor/symfony/messenger/MessageBus.php -> handle (line 69)
  1. if (!$middlewareIterator->valid()) {
  2. return $envelope;
  3. }
  4. $stack = new StackMiddleware($middlewareIterator);
  6. return $middlewareIterator->current()->handle($envelope, $stack);
  7. }
  8. }
in vendor/symfony/messenger/TraceableMessageBus.php -> dispatch (line 42)
  1. 'caller' => $this->getCaller(),
  2. 'callTime' => microtime(true),
  3. ];
  5. try {
  6. return $envelope = $this->decoratedBus->dispatch($message, $stamps);
  7. } catch (\Throwable $e) {
  8. $context['exception'] = $e;
  10. throw $e;
  11. } finally {
in vendor/symfony/mailer/Mailer.php -> dispatch (line 62)
  1. return;
  2. }
  3. }
  5. try {
  6. $this->bus->dispatch(new SendEmailMessage($message, $envelope), $stamps);
  7. } catch (HandlerFailedException $e) {
  8. foreach ($e->getWrappedExceptions() as $nested) {
  9. if ($nested instanceof TransportExceptionInterface) {
  10. throw $nested;
  11. }
in vendor/symfony/monolog-bridge/Handler/MailerHandler.php -> send (line 70)
  1. * @param string $content formatted email body to be sent
  2. * @param array $records the array of log records that formed this content
  3. */
  4. protected function send(string $content, array $records): void
  5. {
  6. $this->mailer->send($this->buildMessage($content, $records));
  7. }
  9. /**
  10. * Gets the formatter for the Message subject.
  11. *
in vendor/symfony/monolog-bridge/Handler/MailerHandler.php -> send (line 53)
  1. }
  2. $messages[] = $this->processRecord($record);
  3. }
  5. if ($messages) {
  6. $this->send((string) $this->getFormatter()->formatBatch($messages), $messages);
  7. }
  8. }
  10. protected function write(LogRecord $record): void
  11. {
in vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.php -> handleBatch (line 97)
  1. {
  2. if ($this->bufferSize === 0) {
  3. return;
  4. }
  6. $this->handler->handleBatch($this->buffer);
  7. $this->clear();
  8. }
  10. public function __destruct()
  11. {
in vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.php -> flush (line 113)
  1. /**
  2. * @inheritDoc
  3. */
  4. public function close(): void
  5. {
  6. $this->flush();
  8. $this->handler->close();
  9. }
  11. /**
BufferHandler->close()

Logs

Level Channel Message
INFO 17:17:44 request Matched route "_profiler". 
{
    "route": "_profiler",
    "route_parameters": {
        "_route": "_profiler",
        "_controller": "web_profiler.controller.profiler::panelAction",
        "token": "f35b0b"
    },
    "request_uri": "https://pbp.dorseran-sigi.net/_profiler/f35b0b?panel=exception&type=request",
    "method": "GET"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Bridge\Doctrine\Middleware\IdleConnection\Listener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bridge\\Doctrine\\Middleware\\IdleConnection\\Listener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 17:17:44 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 17:17:44 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 17:17:44 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
INFO 17:17:44 deprecation User Deprecated: In ORM 3.0, the AttributeDriver will report fields for the classes where they are declared. This may uncover invalid mapping configurations. To opt into the new mode today, set the "reportFieldsWhereDeclared" constructor parameter to true. (AttributeDriver.php:77 called by App_KernelDevDebugContainer.php:1557, https://github.com/doctrine/orm/pull/10455, package doctrine/orm) 
{
    "exception": {}
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\IsSignatureValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\IsSignatureValidAttributeListener::onKernelControllerArguments"
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsCsrfTokenValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsCsrfTokenValidAttributeListener::onKernelControllerArguments"
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "ContainerWev0bGW\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerWev0bGW\\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments"
}
DEBUG 17:17:44 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}

Stack Trace

TransportException 
Symfony\Component\Mailer\Exception\TransportException:
Failed to authenticate on SMTP server with username "noreply@teclatic.com" using the following authenticators: "CRAM-MD5", "LOGIN", "PLAIN". Authenticator "CRAM-MD5" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".". Authenticator "LOGIN" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".". Authenticator "PLAIN" returned "Expected response code "235" but got code "535", with message "535 5.7.8 Error: authentication failed: authentication failure".".

  at vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php:269
  at Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport->handleAuth()
     (vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php:199)
  at Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport->doEhloCommand()
     (vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php:150)
  at Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport->executeCommand()
     (vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php:244)
  at Symfony\Component\Mailer\Transport\Smtp\SmtpTransport->doHeloCommand()
     (vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php:270)
  at Symfony\Component\Mailer\Transport\Smtp\SmtpTransport->start()
     (vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php:200)
  at Symfony\Component\Mailer\Transport\Smtp\SmtpTransport->doSend()
     (vendor/symfony/mailer/Transport/AbstractTransport.php:90)
  at Symfony\Component\Mailer\Transport\AbstractTransport->send()
     (vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php:138)
  at Symfony\Component\Mailer\Transport\Smtp\SmtpTransport->send()
     (vendor/symfony/mailer/Transport/Transports.php:51)
  at Symfony\Component\Mailer\Transport\Transports->send()
     (vendor/symfony/mailer/Messenger/MessageHandler.php:29)
  at Symfony\Component\Mailer\Messenger\MessageHandler->__invoke()
     (vendor/symfony/messenger/Middleware/HandleMessageMiddleware.php:148)
  at Symfony\Component\Messenger\Middleware\HandleMessageMiddleware->callHandler()
     (vendor/symfony/messenger/Middleware/HandleMessageMiddleware.php:90)
  at Symfony\Component\Messenger\Middleware\HandleMessageMiddleware->handle()
     (vendor/symfony/messenger/Middleware/SendMessageMiddleware.php:75)
  at Symfony\Component\Messenger\Middleware\SendMessageMiddleware->handle()
     (vendor/symfony/messenger/Middleware/FailedMessageProcessingMiddleware.php:34)
  at Symfony\Component\Messenger\Middleware\FailedMessageProcessingMiddleware->handle()
     (vendor/symfony/messenger/Middleware/DispatchAfterCurrentBusMiddleware.php:68)
  at Symfony\Component\Messenger\Middleware\DispatchAfterCurrentBusMiddleware->handle()
     (vendor/symfony/messenger/Middleware/RejectRedeliveredMessageMiddleware.php:41)
  at Symfony\Component\Messenger\Middleware\RejectRedeliveredMessageMiddleware->handle()
     (vendor/symfony/messenger/Middleware/AddBusNameStampMiddleware.php:35)
  at Symfony\Component\Messenger\Middleware\AddBusNameStampMiddleware->handle()
     (vendor/symfony/messenger/Middleware/AddDefaultStampsMiddleware.php:33)
  at Symfony\Component\Messenger\Middleware\AddDefaultStampsMiddleware->handle()
     (vendor/symfony/messenger/Middleware/TraceableMiddleware.php:36)
  at Symfony\Component\Messenger\Middleware\TraceableMiddleware->handle()
     (vendor/symfony/messenger/MessageBus.php:69)
  at Symfony\Component\Messenger\MessageBus->dispatch()
     (vendor/symfony/messenger/TraceableMessageBus.php:42)
  at Symfony\Component\Messenger\TraceableMessageBus->dispatch()
     (vendor/symfony/mailer/Mailer.php:62)
  at Symfony\Component\Mailer\Mailer->send()
     (vendor/symfony/monolog-bridge/Handler/MailerHandler.php:70)
  at Symfony\Bridge\Monolog\Handler\MailerHandler->send()
     (vendor/symfony/monolog-bridge/Handler/MailerHandler.php:53)
  at Symfony\Bridge\Monolog\Handler\MailerHandler->handleBatch()
     (vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.php:97)
  at Monolog\Handler\BufferHandler->flush()
     (vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.php:113)
  at Monolog\Handler\BufferHandler->close()