function EsmtpTransport::doEhloCommand

1 call to EsmtpTransport::doEhloCommand()

EsmtpTransport::executeCommand in vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php

Runs a command against the stream, expecting the given response codes.

File

vendor/symfony/mailer/Transport/Smtp/EsmtpTransport.php, line 142

Class

EsmtpTransport

Sends Emails over SMTP with ESMTP support.

Namespace

Symfony\Component\Mailer\Transport\Smtp

Code

private function doEhloCommand() : string {
    try {
        $response = $this->executeCommand(\sprintf("EHLO %s\r\n", $this->getLocalDomain()), [
            250,
        ]);
    } catch (TransportExceptionInterface $e) {
        try {
            return parent::executeCommand(\sprintf("HELO %s\r\n", $this->getLocalDomain()), [
                250,
            ]);
        } catch (TransportExceptionInterface $ex) {
            if (!$ex->getCode()) {
                throw $e;
            }
            throw $ex;
        }
    }
    $this->capabilities = $this->parseCapabilities($response);
    
    /** @var SocketStream $stream */
    $stream = $this->getStream();
    // WARNING: !$stream->isTLS() is right, 100% sure :)
    // if you think that the ! should be removed, read the code again
    // if doing so "fixes" your issue then it probably means your SMTP server behaves incorrectly or is wrongly configured
    if ($this->autoTls && !$stream->isTLS() && \defined('OPENSSL_VERSION_NUMBER') && \array_key_exists('STARTTLS', $this->capabilities)) {
        $this->executeCommand("STARTTLS\r\n", [
            220,
        ]);
        if (!$stream->startTLS()) {
            throw new TransportException('Unable to connect with STARTTLS.');
        }
        $response = $this->executeCommand(\sprintf("EHLO %s\r\n", $this->getLocalDomain()), [
            250,
        ]);
        $this->capabilities = $this->parseCapabilities($response);
    }
    if (\array_key_exists('AUTH', $this->capabilities)) {
        $this->handleAuth($this->capabilities['AUTH']);
    }
    return $response;
}