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.
Authentication
#6
SSL / TLS
Sending servers are required to support current TLS protocols. Non-compliance may result in rejection or negative scoring by recipient systems. Proper TLS configuration not only safeguards message integrity and confidentiality but also contributes to maintaining a positive sending reputation and ensuring reliable delivery.
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