PRoblemas com msmtp en ubunutu server 20.04

1.
ls -l /usr/bin/msmtp
-rwxr-sr-x 1 root msmtp 130728 Oct 11  2019 /usr/bin/msmtp (en amarillo)
2.
contenido de /etc/msmtprc

  GNU nano 4.8                        msmtprc
# Set defaults.
defaults
# Enable or disable TLS/SSL encryption.
tls on
tls_starttls on
tls_trust_file /etc/ssl/certs/ca-certificates.crt
# Setup WP account's settings.
account gmail
host smtp.gmail.com
port 587
auth login
user danislatabarca@gmail.com
password xxxxxx
from danislatabarca@gmail.com
logfile /var/log/msmtp/msmtp.log

account default : gmail

3.
sudo ls -l /var/log/msmtp
total 0
-rw-r--r-- 1 msmtp msmtp 0 Jan 20 10:36 msmtp.log
4.
Tutorial fuente para la instalación de msmtp
https://codingproductivity.wordpress.com/2018/01/18/configuring-msmtp-on-ubuntu-16-04-again/

5. #error que da al querrer mandar un correo: (con y sin sudo)
echo "test" | mpack -s "test" setlocaleES.sh danpacu@gmail.com
sendmail: cannot connect to smtp.gmail.com, port 587: Expiró el tiempo de conexión
sendmail: could not send mail (account default from /etc/msmtprc)
sendmail: cannot log to /var/log/msmtp/msmtp.log: cannot open: Permiso denegado
sendmail: log info was: host=smtp.gmail.com tls=on auth=on user=danislatabarca@gmail.com from=danislatabarca@gmail.com recipients=danpacu@gmail.com errormsg='cannot connect to smtp.gmail.com, port 587: Expiró el tiempo de conexión' exitcode=EX_TEMPFAIL