Demo of Sending mail from R

test mail from R.R

library(mailR)

send.mail(from="<username of sender>@gmail.com",
          to="<username of receiver>@gmail.com",
          subject="Test Email",
          body="PFA the desired document",
          html=T,
          smtp=list(host.name = "smtp.gmail.com",
                    port = 465,
                    user.name = "<username of sender>@gmail.com",
                    passwd = "<password>",
                    ssl = T),
          authenticate=T,
          attach.files="lib.R")