SSMTP ;)

Testar envio de email

Via console usando mail

vps:~# echo "Mensagem" | mail -s "Assunto" [email protected]
vps:~# echo "Mensagem" | mail -s "Assunto" -a FROM:Admin<[email protected]\> [email protected]

Via console usando ssmtp

vps:~# echo "Assunto" | ssmtp -vvv [email protected]
vps:~# echo -e "From:Admin<[email protected]>\n\n Subject:Assunto\n\n Mensagem" | ssmtp -vvv [email protected]