Hey, ​@Tonicwater 

Due to Meta limitations, it’s not possible to send a DM through Manychat to new followers.

Sending DM’s to people who already follow you, it’s possible, however you need to create a trigger to start a DM automation. You have these options:

If you want to read and learn more information about them, you can check these articles:

• Post or reel automations: https://help.manychat.com/hc/en-us/articles/14281316989724-Instagram-Post-and-Reel-Comments-Trigger
• Stories replies: https://help.manychat.com/hc/en-us/articles/13556930006428-Instagram-Story-Reply-Trigger
• Message: https://help.manychat.com/hc/en-us/articles/14281211785884-How-to-use-Keywords-Trigger-in-Manychat
• Instagram ads: https://help.manychat.com/hc/en-us/articles/14281321942428-Instagram-Ads-Trigger
• Instagram lives: https://help.manychat.com/hc/en-us/articles/14281275933724-Instagram-Live-Comments-Trigger
• Referral link: https://help.manychat.com/hc/en-us/articles/14281276006684-Instagram-Ref-URL-Trigger

And you can check Mnychat  mini courses here: https://manychat.com/resources/video-course

I hope that helps