BirkhoffLee says to #ysitdecho -e "Just renewed the SSL certificate for cowbay.birkhoff.me! Check the log below:\n\n-\n$ERRORLOG\n-" | mail -a From:"certrenewer@mailer.birkhoff.me" -s "Let's Encrypt SSL Certificate Auto-Renewer Notification" birkhoff.lee.cn@outlook.comat Mon, Jan 4, 2016 9:32 PM