Office365 Outlook still receive Emails but DNS/MX settings pointing to the another server

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we have around 10 Office365 accounts (we are using those accounts explicit for Outlook). One of those account has been moved to another server (Hostgator) and all MX, DNS entries are successufuly updated to the right hosting (Hostgator).

Now, if somebody from rest of 9 Office365 users send an email to this migrated mail, email goes in the Office365 inbox, and if somebody from gmail, yahoo etc sends than it comes to new (right) inbox (hostgator)

How can I completley disable office365 account to recieve emails only in hostgator inbox and why we are getting emails in office365 if DNS and mx settings are pointing to another server?

Thank you

user999568

Posted 2018-09-19T05:56:11.350

Reputation: 101

When did you change the DNS entries? Those can have an unpleasant delay if caches isn't cleared. – swaglord mcmuffin' – 2018-09-19T06:39:04.507

14 days ago, and if I make mx/nslookup tests online, all settings are pointing to the new server, but still emails goes to the old office365 inbox (only in case that somebody send email from office365 account) – user999568 – 2018-09-19T06:49:43.497

And if you do a 'nslookup' on your client computers, what does it say? Does it also point to the new server? – swaglord mcmuffin' – 2018-09-19T06:54:35.603

No answers