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I need to elaborate a function that uses a form (preferably Contact Form 7) where visitors can indicate that post by placing the email of a friend, and this friend should receive the email with the content of the post and the highlighted image of it (featured image).
I tried with the hook 'wpcf7_before_send_mail' of CF7 but I did not succeed, the image is not sent.
Can you show your code? Do you know if the hook is called or the fault is just the time to include the image as an attachment?
– brasofilo