$conf['mail_system'] = array(
'default-system' => 'DevelMailLog',
);

Adding the above to settings.php will tell Drupal to use the DevelMailLog class as the default mail system. Once you have fired off a few emails go to the temporary directory, and you should see a folder called devel-mails full of logged emails.

Flush the site cache after modifying settings.php.

Other potential solutions for intercepting mail might involve using the Reroute Email module or the hook_mail_alter() hook in your own module.

function mymodule_mail_alter(&$message) { dpm($message); }
Tags: emaildrupalplanet
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