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    Bounce Storm Mitigations Downstream from Microsoft Outage?

    The Microsoft outage yesterday triggered a bounce storm when PMG is between M365 and the outside. The downstream effect of this is services like Amazon SES put IPs emitting bounces on their global suppression list. It is not clear how long an IP remains on that list, but Amazon documentation...
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    PMG with office365

    hi, i am trying to setup O365 mail to go through PMG. I set up the mx on the dns. Proxmox mail gateway seems to receive the emails, but i get this error message in the logs: 2024-07-11T08:00:15.752753-04:00 gateway postfix/smtpd[53817]: connect from mailout.easymail.ca[64.68.200.34]...
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    All policies do not work when configuring PMG and Office365 Outlook.

    I have configured the user blacklist and set it in the blacklist. In the mail filter, I put its priority at the top. However, this email was not intercepted and is usually sent to my mailbox. The PMG tracking center also has a record. When I expand the tracking center, I see that there is no...
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