The email delivery service that people actually like. Stop worrying if your emails made it to the inbox, and get back to focusing on what matters—building great products. By @ActiveCampaign. This app works with an active Postmark account, and can currently do the following:(1) Send bounce, spam complaint, open, click, and subscription change notifications from Postmark to a Slack channel of your choice. The notification also provides a direct link to the Message Details page so that you can investigate further.(2) Get information about Postmark systems through the "/postmark" slash command.