QQMail uses the mailto: list-unsubscribe header to process unsubscribe requests. Implement the list-unsubscribe header in all email.Implement a prominent unsubscribe link in all email with a one-click unsubscribe process and immediately honor all unsubscribe requests.Authenticate all email with SPF, DKIM, and DMARC. Configure all IPs with valid reverse DNS (PTR) records.Ensure you follow QQMail's sending guidelines.Have a list hygiene strategy in place to remove or suppress unknown and unengaged users from your email list.Do not purchase email lists or engage in list harvesting from third-party websites. Use opt-in permission methods for all subscribers.QQMail has a Report and Feedback service for subscriber complaints.ĭeliverability best practices and troubleshooting support The volume of messages allowed by QQMail servers may vary depending on your sending reputation and other factors.Ĭomplaint feedback loop (FBL) application The general throughput guideline for a Chinese mailbox provider is to send no more than 4000 messages per hour for each IP address. QQMail does not disclose connection and throughput limits. Its email service QQMail competes with NetEase as one of the largest email providers in China. Tencent QQ is a leading Chinese instant messaging service and web portal created by Tencent.
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