Activation emails are sent in spam?

Hi. Activation email are received with too much delay and going in spam. How can I fix this?

This is because the SMTP server that ships with Tutor is very basic and does not include anti-spam features, such as DKIM, etc. I suggest you open a free account with an email provider, such as Sendgrid, and configure Tutor to send emails via their smtp server: https://docs.tutor.overhang.io/configuration.html#smtp