Replying to Qno

Ever wonder why emails come with a line at the end saying "sent from my iPad" or "sent from proton secure email" etc?

Just suppose it's an encryption hook? Put there in case needed to access our messages one day...

Remember how the Enigma Code was cracked - somebody realised all German messages ended "Heil Hitler".

No idea if I'm right about this, but I always delete those phrases before I send an email.
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DangerMcAwesome 2y ago

I thought those lines are for marketing and psychological purposes. I'm not advertising for people over here and I don't respond to "status" iconography, so I just delete the lines.

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Qno 2y ago

Could be multi-purpose. I'm not saying there is a more sinister motive. But if any government wanted to read what's in people's encrypted emails, I suppose, logically, this is where they would start trying to get in.

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Qno 2y ago

Of course you only have to change it by a single character to mess with it. But if the keys stay the same they only have to crack open one single message.