SMTP Smuggling
[An updated version of this text may be found at https://www.postfix.org/smtp-smuggling.html] Author: Wietse Venema Last update: January 22, 2024 Summary Days before a 10+ day holiday break and associated production change freeze, SEC Consult has published an email spoofing attack that involves a composition of email services with specific differences in the way they handle line endings other than
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