Sender email address does belong to the site domain – but ….

Hi,
I have en error message saying: “Sender email address does not belong to the site domain.”
The explanation to this error is: “This type of error is seen in the From field within the Mail tab when the field value is a valid mailbox, but the email address doesn’t belong to the same domain as the web site.”

However, the websites domain is kanzlei.wente.de, and the Sender emaill address is “[email protected]”

What is wroing here? Thanks for kind support!

Ps.: The sending of emails using WP Mail Smtop by the website works just fine.

• This topic was modified 2 years, 10 months ago by JKDuck.
• This topic was modified 2 years, 10 months ago by JKDuck.
• This topic was modified 2 years, 10 months ago by JKDuck.

The page I need help with: [log in to see the link]