Ask HN: Protect loved ones from online scams?

Re:Ask HN: Protect loved ones from online scams? by unkown-unknowns on Saturday July 29, 2017 @04:52AM (#14880295)

However you can still check the IP address of the mail server that sent the mail. Some things to look at:

1. Check PTR for IP and verify that the A or AAAA record for that name points back to the same IP.

2. Compare with IP address of server that sent previous mail to you.

3. Check SPF records for the domain.

4. Check MX records for the domain. Keep in mind that they might be using different servers for sending than for receiving though and that MX is for receiving.

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Re:Ask HN: Protect loved ones from online scams? by stephengillie on Saturday July 29, 2017 @08:10AM (#14880799)

These sound like good steps to determine if a sender is legitimate. Is there a plugin that already does this for existing email clients?

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Re:Ask HN: Protect loved ones from online scams? by d3sandoval on Saturday July 29, 2017 @12:34PM (#14881941)

Google gmail and inbox both show this information if you click the "view full message" option on any particular email

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Re:Ask HN: Protect loved ones from online scams? by OJFord on Wednesday August 02, 2017 @02:23PM (#14913229)

I'm pretty sure GP means Is there a client that runs this check in the background, and either tells you or marks it Spam.

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