搭建邮件系统

1telnet smtp.google.com 25 #谷歌邮箱地址
2# 或者
3telnet smtp.qq.com 25 #腾讯qq邮箱

1root@mail:~# telnet smtp.qq.com 25
2Trying 157.148.54.34...
3Connected to smtp.qq.com.
4Escape character is '^]'.
5220 newxmesmtplogicsvrsza9.qq.com XMail Esmtp QQ Mail Server.

1root@mail:~$ telnet smtp.qq.com 25
2Trying 157.148.54.34...

1apt-get update
2apt-get upgrade
3apt-get install vim gcc g++ nasm make screen git jq bc curl wget

1reboot

1vim /etc/ssh/sshd_config
2# PasswordAuthentication no

1apt-get install rsyslog ufw

1IPV6=disable

1ufw allow ssh

1reboot

1apt install -y debian-keyring debian-archive-keyring apt-transport-https curl
2curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
3curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-stable.list
4apt update
5apt install caddy

 1https://mail.akvicor.com {
 2  tls /akvicor/arrow/cert/ssl/akvicor.com/crt /akvicor/arrow/cert/ssl/akvicor.com/key
 3  encode gzip
 4  reverse_proxy  https://127.0.0.1:10006 {
 5    header_up Host {host}
 6    header_up X-Real-IP {remote}
 7    header_up X-Forwarded-Port {server_port}
 8    transport http {
 9      tls_insecure_skip_verify
10    }
11  }
12}

 1apt-get update
 2apt-get install ca-certificates curl
 3install -m 0755 -d /etc/apt/keyrings
 4curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
 5chmod a+r /etc/apt/keyrings/docker.asc
 6
 7echo \
 8  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
 9  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
10  tee /etc/apt/sources.list.d/docker.list > /dev/null
11apt-get update
12
13apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin