Warmforge is the service we are offering for warming up only the mailboxes from Google and Outlook.
You see the details of the warm-ups: Information just as how many e-mails have reached inbox, the replied and unspammed ones:
You can also click on health checks to see the details:
In Warmforge you can also edit the settings. They are automatically set to the recommended numbers:
This is how the main screen would look like. Here you can get the Warmup codes and also Add Mailboxes.