It seems Thunderbird sends out my private/lan IP to the SMTP server. For example, in an Email sent out by Thunderbird, the header contains Received: from [192.168.1.2] (example.com [220.127.116.11]) by mail.example.com (Postfix) with ESMTPSA id 92CD297DEA; It is fine that the SMTP server records the public IP (18.104.22.168) as it is what it sees. But […]
How to change the hostname on Linux Mint? The hostname (e.g. mypc or mypc.example.com) can be changed by putting the hostname in one line in the file /etc/hostname on Linux Mint. Answered by Eric Z Ma.