Cleantalk contact form

Cleantalk is effectively filtering all spam from my contact form, but it is not forwarding all the approved posts. This week I’ve had six mails which say ‘contact form approved’ in the log and they are all genuine contacts. However, only four of them have appeared in my email. Two are in the approved list but haven’t been forwarded to my email. Looking at the right hand column I notice that all the ones that have been forwarded have an IP of 3, whereas the msiing ones have an IP of 0. Is this significant?

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