The spam score increases if the links are from only a few domains. This means that the site has low link diversity, thus increasing its chances of being flagged as a spammy website. You can always avoid this by ensuring that all your links are connected to similar numbers of domains.
Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.