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ameif56hgt
New Contributor II

Return Email DNS Check suggestion

I'm not sure if Fortinet people read this, but if they do, I have a suggestion:

 

For email, there is an option to check the return address of email to see if its valid.  "Return Email DNS Check"  

Seems like a good idea, except, it seems pretty common practice for companies to tweak the return address so that YOU CAN'T REPLY to it.  What they do is add a "fake subdomain," before the domain name.  For example, progressive insurance might send out an email with a return address of:  customerservice@e.progressive.com   That email address is not valid, but if you remove the e part then customerservice@progressive.com is valid.  Here are some others:

donotreply@info.aps.com

emailclub@marketing.jerseymikes.com

 

So my suggestion. When doing the return address DNS check, ONLY use the full domain name for the DNS check, and remove the subdomain name.  I wish I could tell it to do that, but there isn't a way I can see. 

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