the last code to login to bitdefender central to 20 minutes, several times it took over 1 hour, using Thunderbird
To add here, if you don’t want to enter a 2-Factor Authentication code every time you sign in to your Bitdefender Central account, you can mark your device as trusted. You can sign in from trusted devices without using 2-Factor Authentication. Here's how to do it:
I'm unsure why it takes so long for you to receive the code, but like Gjoksi advised, it's best to ask Bitdefender Support to investigate further.
Regards,
Alex