Help ensure your emails
hit the inbox
Stop guessing why your messages end up in spam. Follow this 26-point checklist to achieve technical compliance, enhanced sender reputation, and delivery success.
List Quality
Emailing recipients after extended periods of inactivity should be approached with caution. Best practice dictates consistent engagement, as subscribers who have not been contacted within 6–12 months may fail to recall their original consent, thereby increasing the risk of complaints.
Organizations are advised to maintain comprehensive subscription records, including date and method of opt-in, and to implement segmentation strategies that separate inactive recipients. Re-engagement initiatives should be used to validate continued interest, and unresponsive addresses should ultimately be removed to preserve deliverability and compliance.