Outreach isn't about volume; it’s about relevance. To protect your domain...

https://bizzmarkblog.com/outreach-link-building-a-practitioners-system-for-earning-quality/

Outreach isn't about volume; it’s about relevance. To protect your domain reputation, cap your sending at 50–75 personalized emails per day per inbox. Overloading your domain invites spam filters and ruins deliverability for months