How to send email using sendmail on CentOS
1. install sendmail
yum -y install sendmail mailx
2. start sendmail service
service sendmail start
3. write mail content in mail.txt
mail -s 'this is mail title' xxx@gmail.com < mail.txt
yum -y install sendmail mailx
service sendmail start
mail.txt
mail -s 'this is mail title' xxx@gmail.com < mail.txt