Sending Outlook email within R

send_outlook_mail.R

# Install RDCOMClient package
install.packages("RDCOMClient", repos = "http://www.omegahat.net/R")

library(RDCOMClient)
## init com api
OutApp <- COMCreate("Outlook.Application")
## create an email 
outMail = OutApp$CreateItem(0)
## configure  email parameter 
outMail[["To"]] = "destination@email"
outMail[["subject"]] = "some subject"
outMail[["body"]] = "some body"
## send it                     
outMail$Send()

# Send attachments
outMail[["Attachments"]]$Add(path_to_attch_file)

# Change "from" address
outMail[["SentOnBehalfOfName"]] = "yoursecondary@mail.com"

# Reference: https://stackoverflow.com/questions/26811679/sending-email-in-r-via-outlook