msmtp Send mail via commandline Configure it like arch wiki advises. Then just echo -e "Subject: Hello\nI like you." | msmtp bob@example.com Elaborate example: printf "To: ala@ela.com\nFrom: me@email.com\nSubject: Test \nThis is body." | msmtp ala@ela.com tempmail Bash client for 1secmail (temporary mail) Github. #...