I'm looking for advice on determining the authenticity of an email I received from Homeland Security Investigations. The email came from a .gov address, and when I checked it in Gmail using the 'show original' feature, the DKIM, DMARC, and SPF checks all passed. However, I've heard from others that just because those checks are good doesn't mean the email is definitely real. Some mentioned that the domain might be compromised, though that seems unlikely for a government address. The email's wording was a bit strange, but it didn't request any actions from me, so I'm unsure if it's a scam. Can anyone explain if there's a chance this email could be fake and how I would know?
3 Answers
Honestly, it's pretty rare for a government agency to reach out like that without a specific reason. Typically, they wouldn't send unsolicited emails. It’s good that the security checks passed, but that doesn’t guarantee it’s legitimate. Hackers can spoof government addresses or compromise accounts. If you're suspicious, it’s best to contact the agency directly through their official website to verify you received an email from them.
If you can post the header information (just redact your email address), we can look deeper into where the email actually came from. Sometimes the routing information can reveal if it was sent from a suspicious server.
I would recommend sharing at least a snippet of the email here—minus any personal info, of course. That might help us give you a better analysis. The odd wording could be a red flag. If it doesn't sound like standard communication from a government agent, that could be concerning.

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