#0 src/vendor/symfony/mailer/Transport/SendmailTransport.php(120): Symfony\Component\Mailer\Transport\Smtp\Stream\ProcessStream->terminate()
#1 src/vendor/symfony/mailer/Transport/AbstractTransport.php(72): Symfony\Component\Mailer\Transport\SendmailTransport->doSend(Object(Symfony\Component\Mailer\SentMessage))
#2 src/vendor/symfony/mailer/Transport/SendmailTransport.php(78): Symfony\Component\Mailer\Transport\AbstractTransport->send(Object(Symfony\Component\Mailer\SentMessage), Object(Symfony\Component\Mailer\DelayedEnvelope))
#3 src/XF/Mail/Mailer.php(305): Symfony\Component\Mailer\Transport\SendmailTransport->send(Object(Symfony\Component\Mime\Email))
#4 src/XF/Job/MailSend.php(37): XF\Mail\Mailer->send(Object(Symfony\Component\Mime\Email))
#5 src/XF/Job/Manager.php(275): XF\Job\MailSend->run(7.64182)
#6 src/XF/Job/Manager.php(205): XF\Job\Manager->runJobInternal(Array, 7.64182)
#7 src/XF/Job/Manager.php(89): XF\Job\Manager->runJobEntry(Array, 7.64182)
#8 job.php(46): XF\Job\Manager->runQueue(false, 8)
#9 {main}