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SMTP Transport to provide the (final) Message-ID if available #46326

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Merged
merged 1 commit into from
Jul 20, 2022
Merged

SMTP Transport to provide the (final) Message-ID if available #46326

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30 changes: 29 additions & 1 deletion src/Symfony/Component/Mailer/Transport/Smtp/SmtpTransport.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ class SmtpTransport extends AbstractTransport
private int $pingThreshold = 100;
private float $lastMessageTime = 0;
private AbstractStream $stream;
private string $mtaResult = '';
private string $domain = '[127.0.0.1]';

public function __construct(AbstractStream $stream = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
Expand Down Expand Up @@ -146,11 +147,38 @@ public function send(RawMessage $message, Envelope $envelope = null): ?SentMessa
throw $e;
}

$messageId = $this->parseMessageId($this->mtaResult);
if ($messageId) {
$message->setMessageId($messageId);
}

$this->checkRestartThreshold();

return $message;
}

protected function parseMessageId(string $mtaResult): ?string
{
$regexps = [
'/250 Ok (?P<id>[0-9a-f-]+)\r?$/mis',
'/250 Ok:? queued as (?P<id>[A-Z0-9]+)\r?$/mis'
];

if ($mtaResult === '') {
return null;
}

$matches = [];
foreach ($regexps as $regexp) {
preg_match($regexp, $mtaResult, $matches);
if (!empty($matches['id'])) {
return $matches['id'];
}
}

return null;
}

public function __toString(): string
{
if ($this->stream instanceof SocketStream) {
Expand Down Expand Up @@ -213,7 +241,7 @@ protected function doSend(SentMessage $message): void
$this->getLogger()->debug(sprintf('Email transport "%s" stopped', __CLASS__));
throw $e;
}
$this->executeCommand("\r\n.\r\n", [250]);
$this->mtaResult = $this->executeCommand("\r\n.\r\n", [250]);
$message->appendDebug($this->stream->getDebug());
$this->lastMessageTime = microtime(true);
} catch (TransportExceptionInterface $e) {
Expand Down