server {
    listen 10087;  # 监听的端口
    proxy_pass smtp.gmail.com:465;
}
server {
    listen 10086;  # 监听的端口
    proxy_pass imap.gmail.com:993;
}
server {
    listen 10088;  # 监听的端口
    proxy_pass imap-mail.outlook.com:993;
}
server {
    listen 10089;  # 监听的端口
    proxy_pass smtp-mail.outlook.com:465;
}
server {
    listen 10092;  # 监听的端口
    proxy_pass imap.mail.yahoo.com:993;
}
server {
    listen 10093;  # 监听的端口
    proxy_pass smtp.mail.yahoo.com:465;
}
server {
    listen 10080;  # 监听的端口
    proxy_pass imaphz.qiye.163.com:993;
}
server {
    listen 10081;  # 监听的端口
    proxy_pass smtphz.qiye.163.com:465;
}

server {
    listen 10094;  # 监听的端口
    proxy_pass imap.qiye.aliyun.com:993;
}
server {
    listen 10095;  # 监听的端口
    proxy_pass smtp.qiye.aliyun.com:465;
}