Symfony\Component\Mime\Exception\RfcComplianceException: Email "" does not comply with addr-spec of RFC 2822.

[jamesmacwhite]

A non-valid email field value out of the box will lead to an unhandled exception, without specifying additional model validation rules e.g. https://www.yiiframework.com/doc/api/2.0/yii-validators-emailvalidator

Symfony\Component\Mime\Exception\RfcComplianceException: Email "" does not comply with addr-spec of RFC 2822. in /var/www/html/vendor/symfony/mime/Address.php:54
Stack trace:
#0 /var/www/html/vendor/yiisoft/yii2-symfonymailer/src/Message.php(397): Symfony\Component\Mime\Address->__construct()
#1 /var/www/html/vendor/yiisoft/yii2-symfonymailer/src/Message.php(123): yii\symfonymailer\Message->convertStringsToAddresses()
#2 /var/www/html/vendor/craftcms/cms/src/mail/Message.php(76): yii\symfonymailer\Message->setReplyTo()
#3 /var/www/html/vendor/hybridinteractive/simple-contact-form/src/Mailer.php(73): craft\mail\Message->setReplyTo()
#4 /var/www/html/vendor/hybridinteractive/simple-contact-form/src/Http/Controllers/SendController.php(70): hybridinteractive\SimpleContactForm\Mailer->send()
#5 [internal function]: hybridinteractive\SimpleContactForm\Http\Controllers\SendController->actionIndex()
#6 /var/www/html/vendor/yiisoft/yii2/base/InlineAction.php(66): call_user_func_array()
#7 /var/www/html/vendor/yiisoft/yii2/base/Controller.php(197): yii\base\InlineAction->runWithParams()
#8 /var/www/html/vendor/yiisoft/yii2/base/Module.php(554): yii\base\Controller->runAction()
#9 /var/www/html/vendor/craftcms/cms/src/web/Application.php(368): yii\base\Module->runAction()
#10 /var/www/html/vendor/craftcms/cms/src/web/Application.php(635): craft\web\Application->runAction()
#11 /var/www/html/vendor/craftcms/cms/src/web/Application.php(330): craft\web\Application->_processActionRequest()
#12 /var/www/html/vendor/yiisoft/yii2/base/Application.php(391): craft\web\Application->handleRequest()
#13 /var/www/html/web/index.php(12): yii\base\Application->run()
#14 {main}