Swift_RfcComplianceException: Address set in PathHeader does not comply with addr-spec of RFC 2822. in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php at line 138
Swift_Mime_Headers_PathHeader->_assertValidAddress() in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php at line 88
Swift_Mime_Headers_PathHeader->setAddress() in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php at line 60
Swift_Mime_Headers_PathHeader->setFieldBodyModel() in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php at line 158
Swift_Mime_SimpleHeaderFactory->createPathHeader() in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderSet.php at line 126
Swift_Mime_SimpleHeaderSet->addPathHeader() in src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php at line 133
Swift_Mime_SimpleMessage->setReturnPath() in src/XF/Mail/Mail.php at line 104
XF\Mail\Mail->setReturnPath() in src/XF/Mail/Mailer.php at line 122
XF\Mail\Mailer->applyMailDefaults() in src/XF/Mail/Mailer.php at line 109
XF\Mail\Mailer->newMail() in src/XF/Job/UserEmail.php at line 107
XF\Job\UserEmail->getMail() in src/XF/Job/UserEmail.php at line 47
XF\Job\UserEmail->executeAction() in src/XF/Job/AbstractUserCriteriaJob.php at line 59
XF\Job\AbstractUserCriteriaJob->run() in src/XF/Admin/Controller/User.php at line 973
XF\Admin\Controller\User->actionEmailSend() in src/XF/Mvc/Dispatcher.php at line 249
XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 89
XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 41
XF\Mvc\Dispatcher->run() in src/XF/App.php at line 1844
XF\App->run() in src/XF.php at line 328
XF::runApp() in admin.php at line 13