Subject: title-testing
From: [email protected]
To: [email protected]
Cc: [email protected]
MIME-VERSION: 1.0
Content-Type: multipart/mixed; boundary="GvXjxJ+pjyke8COw"
Content-type: text/html; charset=gb2312
#发送
cat content.txt |sendmail -t
https://blog.csdn.net/caoshuming_500/article/details/47344045