Not compatible with 2.3

[Mike Henze]

Fatal error: Uncaught Error: Call to undefined method Zend\Mime\Message::getRawContent() in /data/web/magento2/vendor/experius/emailcatcher/Model/Emailcatcher.php:38 Stack trace: #0 /data/web/magento2/vendor/experius/emailcatcher/Plugin/Magento/Framework/Mail/TransportInterface.php(34): Experius\EmailCatcher\Model\Emailcatcher->saveMessage(Object(Magento\Framework\Mail\Message)) #1 /data/web/magento2/vendor/magento/framework/Interception/Interceptor.php(135): Experius\EmailCatcher\Plugin\Magento\Framework\Mail\TransportInterface->aroundSendMessage(Object(Magento\Email\Model\Transport\Interceptor), Object(Closure)) #2 /data/web/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Email\Model\Transport\Interceptor->Magento\Framework\Interception{closure}() #3 /data/web/magento2/generated/code/Magento/Email/Model/Transport/Interceptor.php(26): Magento\Email\Model\Transport\Interceptor->___callPlugins('sendMessage', Array, Array) #4 /data/web/magento2/vendor/magento/module-sales/Model/Order/Email/Send in /data/web/magento2/vendor/experius/emailcatcher/Model/Emailcatcher.php on line 38

[Derrick Heesbeen]

@mikehenze are you running on version 2.2.1?

[Mike Henze]

Seems I am running an old version (1.3.10) because it was hardcoded in my composer.json.
Updating will most likely make it compatible with M2.3

Thanks for point out! :)

[Mike Henze]

Yeah fully working now.