I have a very strange problem with my zimbra 8.8.4. Looks like the e-mail from mail.protection.outlook.com are rejected.
I'm quite newbie but I searched in logs and looks like nothing is present in zimbra.logs.
All other e-mails from other domains are received with success.
Please let me know if you have any idea why e-mails from mail.protection.outlook.com which is office 365 are rejected and doesn't appear in logs.
- Zimbra Collaboration 8.6 Patch 9 now available (includes fix for CVE-2017-8802). Read the announcement.
- Zimbra Collaboration 8.8.7 + Zimbra Connector for Outlook 8.8.7 are available.. Read the announcement.
- Are you a Zimbra Developer? You can find some interesting stuff in our Official GitHub: https://github.com/Zimbra and check the Community Projects too: https://github.com/Zimbra-Community/
Discuss your pilot or production implementation with other Zimbra admins or our engineers.
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