Most link building outreach fails because your technical setup is sloppy or...

https://wiki-spirit.win/index.php/How_to_Build_a_High-Quality_Outreach_List_Using_Competitor_Backlinks

Most link building outreach fails because your technical setup is sloppy or your follow-ups are too aggressive. Instead of blasting thousands of emails, keep your volume under 50 prospects per day to stay off blacklists