The default e-mail sent to an external user for sharing a document is confusing. The end-user needs to click the document name to be able to edit or open the document. This is OK, but the text directly below the document states:

This is a mandatory service communication. To set your contact preferences for other communications, click here.

Lots of end-users do click the link "Click here" and think this relates to the edit document proces. This is not the case, they navigate to an error page that states:

Sorry, that didn't work

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Solution
Please remove this confusing text and link!

Thanks in advance.