defaults
auth           on
tls            on
tls_trust_file /etc/ssl/certs/ca-certificates.crt
logfile        /var/log/msmtp.log

account        oa_mail
host           smtp.gmail.com
port           587
from           vitalii.litvinchuk@oa.edu.ua
user           vitalii.litvinchuk@oa.edu.ua
password       krkrvyobreydoenh 

account default : oa_mail