Zimbra using SocketLabs as external SMTP

由於家用ISP會Block 25 port而無發外寄郵件, 所以改用外部SMTP, 一個月2000封對於本人已經很足夠 https://cp.socketlabs.com/   一定要先Add sending domain, 沒有驗證的domain寄不出的 其實只需要Verify via ...

CentOS 6.9 加 routing

ip route delete 192.168.1.0/24 ip route add 192.168.1.0/24 via 192.168.0.1 vi /etc/sysconfig/network-scripts/route-eth0 192.168.1.0/24 via 192.168.0.1

Bind9 DDNS

At Server Side: apt install bind9 Generate an account named username1 # dnssec-keygen -a HMAC-SHA512 -b 512 -n USER username1 You will have such as ne...