The isp whitelist thing is mostly for big players, tbh. For smaller sites, it’s overkill. Instead, focus on the basics:
- Keep your email list clean (remove inactive subscribers).
- Avoid spammy words in your subject lines.
- Use double opt-in to ensure your subscribers actually want your emails.
Tools like ZeroBounce can help clean your list, and services like Postmark are great for improving deliverability.
- Keep your email list clean (remove inactive subscribers).
- Avoid spammy words in your subject lines.
- Use double opt-in to ensure your subscribers actually want your emails.
Tools like ZeroBounce can help clean your list, and services like Postmark are great for improving deliverability.