5- The security manager of Guardian Travel which is a client of LPCS has proposed that all email correspondence, both internal between employees and external to all business partners and customers,...

5- The security manager of Guardian Travel which is a client of LPCS has proposed that all email correspondence, both internal between employees and external to all business partners and customers, should use digital certificates. Several IT staff employees are concerned about this proposal. They have asked you for your opinion on using digital certificates for all email messages.