The Bat!’s security is recommended to law firms
Sharon D. Nelson, David K. Isom and John W. Simek, authors of numerous books and articles on internet security and its aspects that are specific for law firms, give a high appreciation to The Bat! mail processing system in their new book entitled Information Security for Lawyers and Law Firms.
You can read the passage relating to The Bat! here. You can also purchase this book online.