Why does e-mail (SMTP) "bounce around" e-mails instead of just connecting directly? (Does it even still?) [closed]

Here’s something I’ve struggled to comprehend since I first heard about e-mails long ago.
Why would e-mails "bounce around" from server to server until received at the final destination, allowing those to snoop on my messages/fil… Continue reading Why does e-mail (SMTP) "bounce around" e-mails instead of just connecting directly? (Does it even still?) [closed]

Sending emails as other persons from internal network in Outlook Online

So today in work I tried making an SMTP email to our local mailserver. Using colleagues email name I sent an email to another colleague. The email didn’t fall in spam and it actually showed the profile picture and online status from the a… Continue reading Sending emails as other persons from internal network in Outlook Online