Want to set up ability to send mail from shell scripts. Postfix setup is confusing. If I don't have a domain, what is my FQDN? Just my hostname? Or should I use my dyndns address? If I am not receiving emails, do I even care?
How do I just set it up so I can do: mail -s "Something wrong" recipient
I have a gmail account set up for this. Can I SMTP to it like any email client?