#0 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php(88): Swift_Mime_Headers_PathHeader->_assertValidAddress('[email protected]...')
#1 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php(60): Swift_Mime_Headers_PathHeader->setAddress('[email protected]...')
#2 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php(158): Swift_Mime_Headers_PathHeader->setFieldBodyModel('[email protected]...')
#3 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderSet.php(126): Swift_Mime_SimpleHeaderFactory->createPathHeader('Return-Path', '[email protected]...')
#4 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php(133): Swift_Mime_SimpleHeaderSet->addPathHeader('Return-Path', '[email protected]...')
#5 src/XF/Mail/Mail.php(135): Swift_Mime_SimpleMessage->setReturnPath('[email protected]...')
#6 src/XF/Mail/Mailer.php(122): XF\Mail\Mail->setReturnPath('[email protected]...', '0')
#7 src/XF/Mail/Mailer.php(109): XF\Mail\Mailer->applyMailDefaults(Object(XF\Mail\Mail))
#8 src/XF/Service/User/AbstractConfirmationService.php(82): XF\Mail\Mailer->newMail()
#9 src/XF/Service/User/AbstractConfirmationService.php(63): XF\Service\User\AbstractConfirmationService->sendConfirmationEmail()
#10 src/XF/Service/User/Registration.php(360): XF\Service\User\AbstractConfirmationService->triggerConfirmation()
#11 src/XF/Service/User/Registration.php(291): XF\Service\User\Registration->sendRegistrationContact()
#12 src/XF/Service/ValidateAndSavableTrait.php(40): XF\Service\User\Registration->_save()
#13 src/XF/Pub/Controller/Register.php(414): XF\Service\User\Registration->save()
#14 src/XF/Mvc/Dispatcher.php(249): XF\Pub\Controller\Register->actionRegister(Object(XF\Mvc\ParameterBag))
#15 src/XF/Mvc/Dispatcher.php(89): XF\Mvc\Dispatcher->dispatchClass('XF:Register', 'register', 'json', Object(XF\Mvc\ParameterBag), '', Object(XF\Pub\Controller\Register), NULL)
#16 src/XF/Mvc/Dispatcher.php(41): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#17 src/XF/App.php(1934): XF\Mvc\Dispatcher->run()
#18 src/XF.php(333): XF\App->run()
#19 index.php(13): XF::runApp('XF\\Pub\\App')
#20 {main}