There are 3 settings in your user details that impact message deliverability:
It's essential to keep other apps updated when Intercom users unsubscribe, have bounced or have marked emails from your team as spam - automatically.
Here are a few handy templates to do just that:
ActiveCampaign
When User is unsubscribed, bounced or marked as spam in Intercom Then Tag contact in ActiveCampaign
Update ActiveCampaign with a tag when Intercom users unsubscribe, bounce or are marked as spam.
Mailchimp
When User is unsubscribed, bounced or marked as spam in Intercom Then Unsubscribe email in Mailchimp
Unsubscribe emails in Mailchimp when Intercom users unsubscribe, bounce or are marked as spam.
Constant Contact
When User is unsubscribed, bounced or marked as spam in Intercom Then Opt out in Constant Contact
Opt out contact in Constant Contact when Intercom users unsubscribe, bounce or are marked as spam.
Freshsales
When User is unsubscribed, bounced or marked as spam in Intercom Then do not disturb in Freshsales
Check Do Not Disturb on leads and contacts in Freshsales when Intercom users unsubscribe, bounce or are marked as spam.
DonorPerfect
When User is unsubscribed, bounced or marked as spam in Intercom Then Unsubscribe in DonorPerfect
Unsubscribe donor in DonorPerfect when Intercom users unsubscribe, bounce or are marked as spam.
Let us know which other app you'd like to update with Intercom user unsubscribes, etc...