mail db_load@seanys.com -s "TESTing" < /home/pi/testemail.txt echo "testING" | mail -s db_load@seanys.com -s "TESTing"
$ mail db_load@seanys.com -s "TESTing" Cc: ING!!! <ctrl d>
https://www.interserver.net/tips/kb/linux-mail-command-usage-examples/ https://www.binarytides.com/linux-mail-command-examples/