Sender Adress is admin address

Hi there,
I encounter a strange behaviour on one of my sites.
The contact form 7 uses as sender email adress not the configured sender email address, but instead the admin email address, which is set in the settings. Also it uses my personal first Name, I dont see where this comes from.

Here the setting for the contact form sender: [last-name] <office@mydomain.at>
When i print out $headers directly before return the wp_mail in includes/mail.php everything is fine, but in the end the email, which i receive has wrong headers.
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Update:
this issue was caused by the plugin Webinar Ignition.

• This topic was modified 4 years, 8 months ago by cocowerbung.