---
layout: default
title: Email Digests
parent: Features
---

Users may opt into receiving daily (sent once every 24 hours) digests of unread headlines via email.

Digests are sent out by the update daemon or if running <code>update.php --feeds</code>
manually. At most 15 messages are sent in one batch.

{: .note }
> [PHPMailer plugin](https://github.com/tt-rss/tt-rss-plugin-mailer-smtp) is required to send mail under Docker.


* Digests may be customized by copying `digest_template.txt` and `digest_template_html.txt` from `templates/` to `templates.local/`
  and modifying the new files' contents as desired.
* You can preview your digest contents in preferences.