I just moved, and now I have fucking Coxsucker cable modem service, which requires me to send email thru their SMTP server, but which won't let me use their SMTP server from outside their network. So ...
A novel way to abuse a decades-old protocol used to send emails since the beginning of the Internet allows attackers to evade Domain-based Message Authentication, Reporting and Conformance (DMARC) and ...
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