I've a Linode server and I've just deployed my application.
A feature of my application is to send email notifications to users when an event is triggered. I want only send mail from my server, for receive I use Google Apps.
I've installed postfix:
apt-get install postfix
and as Linode guide says, I should send email from my application. But it doesn't work.
I've forgotten some configuration or other things to do for sending email?
This in my