An account must be created with Whispir in order to link it with Simply Stakeholders.
Follow the instructions here to obtain your Whispir API Key and credentials for integration.
Once you have your Whispir API key and Login Credentials
Login to Simply Stakeholders
Go to Admin Settings - > Account Configuration -> Group Mail
Enter your new API Key, username and password, workspace (optional), and domain, and click Save
*Note you will need to select the 'Domain Region' that is supported by your Whispir account
4. Now, you will be able to select Whispir as an option when sending group mail.
Additional Information
Unsubscribe links are always included in every email, so stakeholders can choose to opt-out of communications when they wish, and won't be included in future Group Mails.