You can connect your Gmail account to your app and send emails through it.
Go to Integrations section → Email. Choose Gmail option and enter your email address and the password. Click Check the gate. If the result is OK, we've done it! Skip the following steps.
If you have 2-step verification on your Gmail account, you should create and use app password.
If you haven't 2-step verification on your Gmail account, you should turn on Less secure app access.
There is a system data structure with all the information about emails sent: