postfix mail server 寄信地址預設

postfix mail server 寄信地址預設



sudo vim /etc/hostname
your.com

sudo vim /etc/hosts

127.0.1.1       your.com

若要即刻更新主機名稱
sudo hostname -F /etc/hostname
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sudo vim  /etc/postfix/main.cf

myhostname =your.com
mydestination = localhost

sudo /etc/init.d/postfix restart