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I'd probably use something that's maintained for that... This isn't maintained, and back when I used to do penetration testing, attacking a backup mx was someth

I'd probably use something that's maintained for that... This isn't maintained, and back when I used to do penetration testing, attacking a backup mx was something we routinely did. Those mx records call hostile attention to the systems they point to.

nonrandomstring 2y ago
That's a good point; the public records advertising a possible weak spot. What is a safe rast-resort mail catch-all?