CoordMail: Exploiting SMTP Timeout and Command Interaction to Coordinate Email Middleware for Convergence Amplification Attack

Ruixuan Li 0008, Chaoyi Lu, Baojun Liu 0002, Yanzhong Lin, Qingfeng Pan, Jun Shao 0001. CoordMail: Exploiting SMTP Timeout and Command Interaction to Coordinate Email Middleware for Convergence Amplification Attack. In 33rd Annual Network and Distributed System Security Symposium, NDSS 2026, San Diego, California, USA, February 23-27, 2026. The Internet Society, 2026. [doi]

Authors

Ruixuan Li 0008

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Chaoyi Lu

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Baojun Liu 0002

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Yanzhong Lin

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Qingfeng Pan

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Jun Shao 0001

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