Нужна помощь в выяснении, есть ли какие-либо проблемы с моими настройками DNS для доставки почты.

Проблемы с доставкой электронной почты на outlook.com и hotmail. электронные письма отправляются в нежелательную почту.

Поток электронной почты: «Приложение> Exchange 2016> Брандмауэр> Office 365> Mimecast»

Записи MX указывают на Mimecast, а оттуда - в Office 365.

У нас нет нашего собственная запись SPF, DKIM или DMARC, настроенные для upp-ltd.com, и я не уверен, настроил ли Msft что-нибудь для uppgroup.onmicrosoft.com.

кроме SPF, DKIM и DMARC все выглядит нормально в электронном письме заголовки ниже ??

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