Remote server returned '550 5.7.140 domain has been blocked by your email admin.'

Windows Server · 2025-02-05T15:07:13+0000

How to solve this problem? Remote server returned '550 5.7.140 Sending from the universidadfv.onmicrosoft.com domain has been blocked by your email admin.' The booking system doesn't work View the full article

By Windows Server
February 5 in Windows Servers

https://windowsbb.com/topic/568504-remote-server-returned-550-57140-domain-has-been-blocked-by-your-email-admin/

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Remote server returned '550 5.7.140 domain has been blocked by your email admin.'

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