tt-rss/templates/email_article_template.txt

<!-- $BeginBlock email -->
Hi,

I've been reading this and thought it might interest you:
<!-- $BeginBlock article -->
* ${ARTICLE_TITLE}
  ${ARTICLE_URL}
<!-- $EndBlock article -->

-- 
This message has been sent by Tiny Tiny RSS installation at ${TTRSS_HOST}.
<!-- $EndBlock email -->