Number of campaign email sent at once

Summary:

We would like to know if Oracle limits/meters the amount of Campaign emails that are sent at one time to ensure the email provider doesn't think campaign email is SPAM.

Content (required):

We would like to know if Oracle limits/meters the amount of Campaign emails that are sent at one time to ensure the email provider doesn't think campaign email is SPAM. We are thinking about campaigns that could be sent to thousands of candidates.

Version (include the version you are using, if applicable):

23A

Code Snippet (add any code snippets that support your topic, if applicable):