split thread.
i have having issue started in last few days, how can resolved?
hi keith,
may know whether have tried unblock blocked office 365 email account via using exchange admin center?
•
go eac, navigate to
protection > action center.
•
select
search icon , enter smtp address of blocked user.
•
click
unblock account in description pane.
•
click
yes confirm change.
more detailed information, please refer article:
removing user, domain, or ip address block list after sending spam email if still have problem or can’t see blocked email account, please provide detailed ndr (
non delivery report) , tenant information via private message can report relevant team , further assist you.
have sent private message , here link access it:
https://answers.microsoft.com/en-us/privatemessages/list best regards,
shyamal
Office / Outlook / Windows 10 / Office 365 for business
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