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.
Bounces
When an email generates a failure notice (bounce), it’s important to determine whether the cause is hard (permanent) or soft (temporary). Hard bounces (for example, non-existent addresses) indicate permanent delivery... [more]
SPAM Complaints
If a spam complaint is received, you should immediately cease sending any further messages to the affected recipient. Investigate the cause of the complaint and, if it appears to be... [more]
Feedback Data
Enrolment in reputation monitoring services, including Microsoft Smart Network Data Services (SNDS) and Google Postmaster Tools, is recommended to track domain and IP performance. These services provide reporting on reputation,... [more]
Monitor
Sign up for accounts with major providers like Microsoft and Google so you can test whether your emails are reaching the inbox rather than the spam folder. Regularly sending test... [more]