It is unlikely that anyone can answer this question without conducting research. On the one hand, how you checked outgoing links is unknown - and whether you did it correctly. On the other hand, I do not see the body of the letter. Also, it is likely that additional factors not indicated in this example can be discovered when researching the issue. Conclusion: I understand that you may not like my answer - however, you probably need to pay someone with experience in similar situations to research this situation and find possible solutions on your side.