Error 550

  • Hi,
    As the notifier was working fine since several years, I receive error 550 for several email addresses since both two last updates. Here is the error message :

    <[email protected]>: host msn-com.olc.protection.outlook.com[104.47.17.161]
    said: 550 5.7.1 Unfortunately, messages from [45.157.188.21] weren’t sent.
    Please contact your Internet service provider since part of their network
    is on our block list (S3150). You can also refer your provider to
    https://mail.live.com/mail/troubleshooting.aspx#errors.
    [VI1EUR05FT056.eop-eur05.prod.protection.outlook.com] (in reply to MAIL
    FROM command)

    ———- Forwarded message ———-
    From: VivaLaVida <[email protected]>
    To: [email protected]
    Cc:
    Bcc:
    Date: Mon, 22 Aug 2022 16:00:53 +0000
    Subject: Update VivaLaVida – Mise à jour VivaLaVida

    Any tip to fix this issue?
    Thanks

    Claude-Alain

  • The topic ‘Error 550’ is closed to new replies.