cristiroma

Operating System: CentOS 7

These are the steps to follow when sending email from command line using SSL, for example:

echo "" | /bin/mail -v -q -s "subject" -r from@company.com -S smtp-auth=login -S smtp=smtps://secure.emailsrvr.com:465 -S smtp-auth-user="from@company.com" -S smtp-auth-password="SECRET" to@company.com

Steps:

1. Fix the Missing "nss-config-dir" variable error
2. Pull the certificate chain using openss s_client -showcerts command