Open GetAccept as an admin and click Settings > Document Settings. You can now override the sender names for SMS, emails and also change the sender email address to always be one specific address.
If you want to change the name which is stated as the sender name on a SMS (text message) you can write the name in this field. A name can be 11 characters long. Not all countrirs supprt alphanumeric Sender ids. See the list here
Email Sender Name
The email sender name is today defaulted to the user name field, example, John Doe vi GetAccept could say ACME Inc via GetAccept in the email sender name.
Email Sender Email (reply to)
The email Sender email is today defaulted to the user email who is sending the document. You can now change this to be one specific address. For example if you want to have one email who answer all document emails instead of each user to handle it.