JobMail is sent to you whenever new job ads matching your Saved Searches are listed. Sometimes your email provider can mark your JobMail as spam and you may never receive it. Please make sure you add firstname.lastname@example.org to your email account's safe list.
You can also sign in to SEEK to view jobs matching your JobMail criteria. Click your name at the top right of the page and click Saved Searches. From here, scroll down to the Saved Search you want to view and click View jobs.