2 pointsGoogle: Link Spam In Forum Comments Work Very Badly. My job would be easier if people read this. https://www.seroundtable.com/google-link-spam-forum-comments-bad-25881.html
1 pointSlightly off topic, but I found this useful: http://www.bbc.co.uk/news/av/43921814/gdpr-your-data-protection-questions-answered Contrary to what seems to be the popular belief in many companies, the UK authorities are saying it's fine to email those you already have a relationship with. No extra consent needed. Don't expect any 'please opt-in' emails from WDF!