Resending emails to non-openers can be effective if you filter recipients based on their recent engagement, such as having opened previous campaigns or clicked links. Instead of simply resending the same email, creating a new variation can enhance engagement and deliverability. Utilizing automation and targeted filters helps ensure that emails reach an interested audience while improving overall email performance.

Targeting subscribers based on their email domain extensions can reveal valuable insights for marketing strategies. By creating a segment for nonprofit professionals with .org emails, the author achieved impressive engagement rates with targeted content, emphasizing that simple segmentation tactics can often be more effective than complex personalization efforts.