Greylisting defers all emails from Office 365 accounts

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    Fouad Ahmed Fouad

    I didn't use Greylisting for this issue, it's not Outlook domains only what use many ip addresses, it's all major companies like Google and other major hosting companies.

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    Pavel Mikhaylov

    Hello, Fouad Ahmed Fouad,

    The article addresses a particular issue related to greylisting and Office 365 services.

    In case you are experiencing an issue with different symptoms and the information from our knowledge base does not help, please create a request to our Support team: https://support.plesk.com/hc/en-us/articles/213608509

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