How can I send an outbound message/email to a specific list of users?

If you have a specific list of users/leads, you can import this CSV file of users/leads into Intercom and tag them with a specific tag. This tag can then be later used to filter them into the audience of the message/email.

How to import a CSV file of user data - https://www.intercom.com/help/en/articles/177-import-your-user-data-into-intercom/p>

This is how it will look when you tag the users 👇🏼

Note - the CSV must contain the users email addresses and if applicable, their user ID's too.