SMTP notification fails with Error: 501 5.5.2 Cannot Decode response



  • I have setup my pfsense, running 2.1-release, to send SMTP notifications:

    • smtp.gmail.com

    • 465 enable SSL/TLS ticked

    • with an email+password that I have checked carefully

    When I click Test SMTP i see in the system log:
    php: /system_advanced_notifications.php: Could not send the message to my.name@gmail.com – Error: 501 5.5.2 Cannot Decode response v7sm48467eel.2 - gsmtp

    and the SSL7TLS becomes unchecked.

    Any help would be gratefully received  :)



  • If anyone could give me an idea, I'd be very grateful  :)