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Certifications (selection)
Your e-mail address has changed, but you still know the password for your tetronik user account?
→ Simply log in as usual with your previous access credentials (whether by email address or by user name does not matter). You can then enter your new email address in your existing user profile via the “Edit user profile” link (top right of the page).
You have forgotten your password and want to reset it, but no longer have access to your old mailbox?
→ In this case, you are welcome to send us a short