Users may opt into receiving daily (sent once every 24 hours) digests of unread headlines via email.
Digests are sent out by update daemon or while running update.php —feeds
. Maximum of 15 messages is sent during one batch.
* To receive digests in HTML format install [PHPMailer plugin](https://git.tt-rss.org/fox/ttrss-mailer-smtp)
* Digests may be customized by editing ``templates/digest_template*.txt``.
* You can test digest generated for current authenticated user by requesting this URL: http://example.com/tt-rss/backend.php?op=backend&method=digestTest