sendmailR（Part2）：作为邮件附件发送文件 [英] sendmailR (Part2): Sending files as mail attachments
问题描述
按照此相关问题提供的说明，我能够发送HTML格式的邮件。现在的问题是：如何修改以下代码，以便将一个或多个文件（任何类型）附加到此消息？
Following the directions provided in this related question, I was able to send html formated mail messages. Now the question is this: How should I modify the following code, in order to attach one or more files (of any type) to this message?
library(sendmailR)
from <- "<sendmailR@myserver.mycompany.com>"
to <- c("<someone@mycompany.com>","<anotherone@mycompany.com>")
subject <- iconv("Message Title", to = "utf8")
msg <- "<hr size='2' width='33%' style='text-align: left;'><font size='2'>
<i>This email was sent automatically using <a href='http://finzi.psych.upenn.edu/R/library/sendmailR/html/00Index.html' rel='nofollow' target='_blank'>sendmailR</a>.<br>
Please do not reply directly to this e-mail.</i></font>"
msg <- iconv(msg, to = "utf8")
sapply(to,function(x) sendmail(from, x, subject, msg, control=list(smtpServer="###.###.###.###"), headers=list("Content-Type"="text/html; charset=UTF-8; format=flowed")))
推荐答案
使用mailR包（ https://github.com/rpremraj/mailR ），您可以发送HTML电子邮件，另外还可以轻松地附加文件：
With the mailR package (https://github.com/rpremraj/mailR), you could send HTML emails and additionally attach files with ease as below:
send.mail(from = "sender@gmail.com",
to = c("recipient1@gmail.com", "recipient2@gmail.com"),
subject = "Subject of the email",
body = "<html>The apache logo - <img src=\"http://www.apache.org/images/asf_logo_wide.gif\"></html>",
html = TRUE,
smtp = list(host.name = "smtp.gmail.com", port = 465, user.name = "gmail_username", passwd = "password", ssl = TRUE),
attach.files = c("./download.log", "upload.log"),
authenticate = TRUE,
send = TRUE)
编辑（2014-05-13）：
mailR已更新，以允许不同字符编码。以下是将消息作为UTF-8发送的示例。
mailR has been updated to allow different character encodings. Below is an example to send the message as UTF-8.
send.mail(from = "Sender Name <sender@gmail.com>",
to = "recipient@gmail.com",
subject = "A quote from Gandhi",
body = "In Hindi : थोडा सा अभ्यास बहुत सारे उपदेशों से बेहतर है।
English translation: An ounce of practice is worth more than tons of preaching.",
encoding = "utf-8",
smtp = list(host.name = "smtp.gmail.com", port = 465, user.name = "gmail_username", passwd = "password", ssl = T),
authenticate = TRUE,
send = TRUE)
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