diff --git a/Docker-Mail-Server.md b/Docker-Mail-Server.md
index 814f017..af8baae 100644
--- a/Docker-Mail-Server.md
+++ b/Docker-Mail-Server.md
@@ -81,6 +81,16 @@ networks:
     external: true  # 引用已存在的网络
 ```
 
+修改env文件
+```
+vim mailserver.env
+#配置证书路径
+SSL_CERT_PATH=/tmp/ssl/fullchain.pem
+SSL_KEY_PATH=/tmp/ssl/privkey.pem
+#配置邮箱管理员
+POSTMASTER_ADDRESS=postmaster@xxx.xx
+```
+
 # 三、启动服务
 ```
 docker-compose up -d `# 启动容器`