Email deliverability is key to marketing ROI, ensuring emails reach subscribers' inboxes and not spam folders.
Companies lose ~2% of emails to hard bounces, affecting profits and the effectiveness of email campaigns.
Improving email reputation involves consent, consistency, and managing bounce rates to avoid spam flags.
Authentication with DKIM and SPF is crucial for ISPs to recognize legitimate emails and reduce spam classification.
Investing in infrastructure like dedicated IP addresses and ESPs can significantly improve email deliverability.
Regularly cleaning mailing lists and verifying email addresses ensures higher quality subscriber engagement.