ERROR 500 while sending email

Product Support
1

Your software
My Mautic version is: 5.1.1
My PHP version is: 8.1.30
My Database type and version is: pdo_mysql 8.0.36

Your problem
My problem is:

These errors are showing in the log:

Steps I have tried to fix the problem:

2

Good evening, im new to mautic. I installed it today and setup the map and smtp settings for sending emails. The Test email sends and arrives.

My Problem ist, when im going into a contact and send an email i get the error 500.

I Checked the logs:

2024-11-28T15:29:34.794973+00:00] mautic.CRITICAL: Uncaught PHP Exception Symfony\Component\Mime\Exception\RfcComplianceException: “Email “+bounce_67488c5ec1ca5633672987@” does not comply with addr-spec of RFC 2822.” at /homepages/28/d869798149/htdocs/xsender/vendor/symfony/mime/Address.php line 56 {“exception”:“[object] (Symfony\Component\Mime\Exception\RfcComplianceException(code: 0): Email "+bounce_67488c5ec1ca5633672987@" does not comply with addr-spec of RFC 2822. at /homepages/28/d869798149/htdocs/xsender/vendor/symfony/mime/Address.php:56)”} {“hostname”:“infong-eu283”,“pid”:677443}

Someone has the problem to?

Thanks for your help