public MailMessage BuildMailMessage(string from, IList<string> toList, string subject, string body)
        {
            var msg = new MailMessage
            {
                From = new MailAddress(from)
            };
            msg.ReplyToList.Add(from);

            msg.AddAddressesOnTo(toList.ToArray());

            msg.Subject = subject;
            msg.Body = body;
            msg.IsBodyHtml = true;

            return msg;
        }