Redmine

we have been having a lot of trouble setting up our email configuration for outgoing and incoming mail... this is how i would configure the email.yml file... what else do i have to do? i get a complete and total error message saying ruby rail error and it goes pink and red.... what other files do i have to change? someone said the environment file?? this is just for outgoing. i have no idea what to do for the incoming. can someone please shed some light i would appreciate it...

1. Outgoing email settings
   production:
   delivery_method: :smtp
   smtp_settings:
   tls: true
   enable_starttls_auto: true
   address: smtp.gmail.com
   port: 587
   domain: linx.com
   authentication: :plain
   user_name: **@linx.com
   password: **

development:
delivery_method: :smtp
smtp_settings:
tls: true
enable_starttls_auto: true
address: smtp.gmail.com
port: 587
domain: linx.com
authentication: :plain
user_name: **@linx.com
password: **