到 B 站观看视频
sudo su cd /etc/mail echo "MASQUERADE_AS(`haoqicat.com')dnl`)" >sendmail.mc m4 sendmail.mc >sendmail.cf /etc/init.d/sendmail restart
sendmail happypeter1983@gmail.com Subject: Test Sendmail From: Peter Wang <peter@haoqicat.com> .