How do I connect a Facebook Page or a Twitter account?
It only takes a few steps to connect a Facebook Page or a Twitter account to Slack:
2/ Click the Facebook/Twitter button
3/ You'll be redirected to your browser from where you can select the account you'd like to connect.
It only works with Facebook pages, you can't connect your personal profile. If you don't find the page you'd like to connect in the list, make sure you're an admin.
Since Facebook doesn't allow pages to contact Facebook users, so does MailClark. You'll have to receive a message from a user to be able to reply.