I am trying to send email via my web server using PHP but for some reason the email never arrives. According to PHP the email was sucessfully sent but I never receive the email. I know its not a spam problem as the web server used to be able to successfully send email until I reinstalled it last week. It has been installed with exactly the same OS and configuration except now it doesn't work.
It is using the default PHP settings for sending email and I have enabled SMTP in the firewall but this doesn't seem to be working.
Are there any logs for the PHP email sending that may be able to help me trouble shoot why it isn't working?