title: Warum muss ich erneut klicken, um zu bestätigen, dass ich mich anmelden möchte, nachdem ich bereits auf den Bestätigungslink geklickt habe, den du mir geschickt hast?
This is why, after indicating you want to sign up, we sent you a confirmation email to the email address you provided. If you receive this email, it confirms not only that the email address is working, but also that you have access to it.
In other words, only after you click the link in the confirmation email can we know for cerntain that:
Another reason is that while we could make it so that clicking the link in your email would immeadiatly subcribe you, it would be in violation of internet standards. Insbesondere die Definition der __GET-Methode__ des __HTTP__ Protokolls, die besagt, dass:
Eine _GET-Anfrage_ ist das, was passiert, wenn du einem Link folgst. Merely following a link should not make any changes (like subscribing you to a newsletter).
For example, when you receive an email, your email client may _preload_ the links in it in the background. So that they are quicker to load should you click on them.
Natürlich sollte dieses Vorladen dein Abonnement nicht bestätigen. Which is why you need to click a button to confirm. Because that will trigger a __POST request__ and those can make changes.
