Examples for redmine email setup

configuration.yaml

# config/configuration.yaml 
# After you change this file you need to restart apache/passenger
 production:
   email_delivery:
     delivery_method: :smtp
     smtp_settings:
       enable_starttls_auto: true
       address: "smtp.gmail.com"
       port: 587
       domain: "smtp.gmail.com" # 'your.domain.com' for GoogleApps
       authentication: :plain
       user_name: "email@gmail.com"
       password: "gmailpassword"

crontab

# Here is a crontab entry that you can use as template to receive email updates for issues
# Depending on how redmine is installed you may or may not need the rvm.sh and bundle portion
*/5 * * * * cd /var/www/redmine; . /etc/profile.d/rvm.sh; bundle exec rake redmine:email:receive_imap RAILS_ENV="production" port=993 ssl=true host=imap.gmail.com username=email@gmail.com password=gmailpassword > email_import.log 2>&1