- Khi cai postfix (mailutils) no auto remove ssmtp cai truoc do. Ly do ? [anh prove] Mailgun doc https://documentation.mailgun.com/faqs.html#do-i-need-a-dedicated-ip-address http://serverfault.com/questions/227757/how-do-i-track-whether-a-email-was-successful-among-thousands-iis-6-net-3-5 http://askubuntu.com/questions/732/how-do-i-make-cron-email-my-gmail-account /etc/mailname http://www.howtogeek.com/51819/how-to-setup-email-alerts-on-linux-using-gmail/ Of course, this technique is meant for real servers, but if you’ve got a Linux box sitting in your house acting as a home server, you can use it there as well. In fact, since many home ISPs block regular outbound email, you might find this technique a great way to ensure you still get administration emails, even from your home servers. nickfarow:GueChe$ echo "Test message from Linux server using ssmtp" | ssmtp -vvv dung.nguyen.van@ntq-solution.com.vn [<-] 220 smtp.gmail.com ESMTP t16sm53010679pfj.76 -...