E-mail notification of issues due date you are involved in (Assignee, Author, Watcher)

script/plugin install git://github.com/jedix/redmine_duedate_reminder.git

The plugin runs as a rake task so you have to set it up in cron or task sheduler

1 0 * * * root cd /opt/redmine && rake redmine:send_duedate_reminders_all days=1 project=test tracker=1 RAILS_ENV=production

Available options:

* days     => number of days to remind about (defaults to 5)
* tracker  => id of tracker (defaults to all trackers)
* project  => id or identifier of project (defaults to all projects)
* assignees=> [0,1] include assigned issues (defaults to 1)
* authors  => [0,1] include created issues (defaults to 0)
* watchers => [0,1] include watched issues (defaults to 0)
* cc       => send a copy of each message to this address (no copy per default)