树莓派msmtp和mutt的安装和配置教程

/etc/Muttrc 　　# 系统全局设置

~/.muttrc 　　 # 使用某个系统用户

raspberrypi# vim ~/.muttrc 
set sendmail="/usr/bin/msmtp"
set use_from=yes
set realname="name_post"  # 发件人昵称
set editor="vi"
set from=xxx@xxxx.com　　　　# 发件人邮箱
set envelope_from=yes
set crypt_use_gpgme=no
#tls off

raspberrypi# vim ~/.msmtprc
account default
host smtp.xxxx.com　　# 可在邮箱设置中查看
user xxxx  # 一定要是邮箱@前的部分
from xxxx@xxxx.com
password 123456  # 邮箱密码(有可能为授权码)
auth plain
logfile ~/.msmtp.log

raspberrypi# msmtp --host=smtp.sina.com --serverinfo        
SMTP server at smtp.sina.com (xk-6-242-a8.bta.net.cn [202.108.6.242]), port 25:
  smtp-5-121.smtpsmail.fmail.xd.sinanode.com ESMTP
Capabilities:
  STARTTLS:
    Support for TLS encryption via the STARTTLS command
  AUTH:
    Supported authentication methods:
    PLAIN LOGIN 
This server might advertise more or other capabilities when TLS is active.