Buying 2-3 subdomains for outreach to protect your main domain's reputation.
Send content to specific groups based on their interests.
A: Only if you are an experienced affiliate with burn domains, verification budgets, and no fear of blacklists. For 99% of businesses, no.
: Never send to 1M addresses at once. Use a service like GMass to "warm up" your domain by sending small, increasing batches over several weeks.
Don't be afraid to delete subscribers. If someone hasn't opened an email in six months, remove them. A smaller, highly active list is much "better" for your bottom line than a bloated, inactive one. Better Tools for List Management
A: Buying is not illegal. Emailing without consent is illegal under GDPR/CASL. In the US (CAN-SPAM), it is legal but high-risk.
