Redcoal SMS Plugin for MS Outlook will create a Send SMS button on the Outlook toolbar. Just click it and send SMS messages to your field employees, staff, clients, partners and friends. Receive all replies via email. Easy to set-up Plugin allows for free SMS test messages.. About us:Redcoal services over 300 corporate clients in over 30 countries of the world. Our clients include Microsoft, AGFA, Adidas, Valvoline, ING Bank and many more...