• My WordPress installations (more than 1 in the same webserver) have stopped sending notifcation emails (note it used work).

    I tried the following PHP on the server:
    <?php
    $message = “Line 1\nLine 2\nLine 3”;
    mail(‘[email protected]’, ‘My Subject’, $message);
    ?>

    and it was successful. Anybody have an idea what is going on here? Any tips for debugging this?

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