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Unblock a specific sender's email
I'm accessing my email using the classic Outlook app with a Microsoft 365 personal subscription on a Windows desktop PC. (I also have a business email using my employer's 365 business subscription i...
- The issue was finally resolved today after the sender’s tech support removed my email from a blacklist and added it to a whitelist.
Then last option:
let the senders IT department open the MSFT case.
If they open the case, it will be allowed by security to upload the SMTP log. (MSFT should be a trusted party)
let the senders IT department open the MSFT case.
If they open the case, it will be allowed by security to upload the SMTP log. (MSFT should be a trusted party)
Thanks for this suggestion. I'll give that a try.