在R中发送电子邮件时出错

Question

使用R发送电子邮件时出现以下错误。

library(sendmailR)


from <- "<boralsoumya@gmail.com>"
to <- "<amarnath.boral@gmail.com>"
subject <- "Performance Result"
body <- "This is the result of the test:"                     
mailControl=list(smtpServer="ASPMX.L.GOOGLE.COM")

sendmail(from=from,to=to,subject=subject,msg=body,control=mailControl)

错误

Error in wait_for(250) : 
  SMTP Error: 5.7.1 [45.64.236.186] The IP you're using to send mail is not authorized to

看到这个链接，但帮助不大：https://support.google.com/mail/answer/10336?hl=en

如何解决这个问题？