403 error when attempting to add a connected site on MailChimp

Hi there,

when trying to add a connected site on MailChimp, I get a 403: forbidden error.

I was in touch with MailChimp to figure out, ans the only thing they suggested is to “reach out to your provider/website host with that information to see if they can make some changes on the backend.”

Can any of you perhaps help me figuring things out here?

Thank you in advance!

What’s the url they’re trying to reach?

Hi sdayman,

thank you for your reply and apologies for disappearing, I somehow missed it…
They try to reach https://allmaxx.de, but unsuccessfully!

Thank you

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