postfix安装

sudo apt-get install postfix
sudo apt-get install mailutils

创建用户

sudo useradd -m -s /bin/bash incoming
sudo passwd incoming

启动postfix

sudo postfix status
sudo postfix start

测试

telnet localhost 25
# 填写邮箱信息
ehlo localhost
mail from: root@localhost
rcpt to: incoming@localhost
data
Subject: Re: Some issue

Sounds good!
.
quit

配置postfix使用Maildir-style mailBoxes

sudo postconf -e "home_mailBox = Maildir/"
sudo service postfix restart

用户添加使用邮箱

su - incoming
mkdir /home/incoming/Maildir
MAIL=/home/incoming/Maildir
mail

postfix常用命令

# 会列出当前在postfix发送队列中的所有邮件
mailq

# 删除当前等待发送队列的所有邮件，包括发送失败的退信
postsuper -d ALL