Most link building campaigns fail because teams blast thousands of emails and...

https://zandersnewperspectives.lucialpiazzale.com/why-does-my-cold-outreach-bounce-rate-matter-so-much-the-truth-about-sender-reputation

Most link building campaigns fail because teams blast thousands of emails and eventually get blacklisted. Instead, prioritize quality over volume. Stick to sending 50-75 emails per day to keep your domain reputation pristine