How to send HTML email using linux command line

Question

I need to send email with html format. I have only linux command line and command \"mail\".

Currently have used:

echo \"To: address@example.com\" >         


        

Answer 1

On OS X (10.9.4), cat works, and is easier if your email is already in a file:

cat email_template.html  | mail -s "$(echo -e "Test\nContent-Type: text/html")" karl@marx.com