Author

En-Long Li

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#software testing Book Open access Oct 2026

When Delivery Meets Error: Exploring Email Delivery Retry Strategies and Defects

This work deploys a platform (RetryWatch) that simulates various types of bounce errors returned by email receiving servers, covering the DNS, TCP, and SMTP communication stages and finds that many providers and software exhibit defects in their email retry implementations.

Rui-Xuan Li, En-Long Li, Ming-Xuan Liu et al. · Proceedings of the 2026 ACM... · 0 citations