msmtrc.md

account default
host smtp.gmail.com
port 587
from "[email protected]"
tls on
tls_starttls on
tls_trust_file /etc/ssl/certs/ca-certificates.crt auth on
user "username1970"
password "password123"
logfile ~/.msmtp.log

for encrypted passwords see

https://wiki.archlinux.org/index.php/Msmtp#Password_management