How to filter out emails from a certain domain

Akshay Dalal 0 Microsoft Employee

How do I filter out emails from a certain domain ?

/me/messages?$filter=not(contains(from/emailAddress/address,'xyz.com')) doesn't return right results &
/me/messages?$filter=endswith(from/emailAddress/address,'xyz.com') is not supported

even

/me/messages?$search="NOT from:@xyz.com" also doesn't return right set of results.

1 answer

Vasil Michev 113.4K Reputation points MVP

2025-02-07T17:30:42.5466667+00:00

The first one works fine here, what kind of incorrect results are you seeing? Keep in mind that this query will not only return messages from all other domains, but all the items without properly formatted From address too. RSS items, items sent via Power Automate, NDRs, and so on, will all match the clause.
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Akshay Dalal 0 Reputation points Microsoft Employee

2025-02-09T09:00:50.4666667+00:00

@Vasil Michev Here's an example. I've put a filter to not have emails which are from 'microsoft.com' domain, but I can still see such an email in the result :

Response headers for investigation ( if required )

{ "cache-control": "private", "client-request-id": "30b91db5-61d1-fbd3-fcb8-9782b1adfa0d", "content-type": "application/json; odata.metadata=minimal; odata.streaming=true; IEEE754Compatible=false; charset=utf-8", "request-id": "289da709-d254-47bf-b511-21e4152f9025" }
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How to filter out emails from a certain domain

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