I've lots of emails in my spam with the title "Undelivered Mail Returned to Sender"(My site was hacked and is sending out trash mails that got bounced back to my Gmail).

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While I was trying to inspect these spams I noticed this behavior of Gmail search that I was never aware of:

If I search "undelivered" then all the emails with this subject will be brought up:

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But if I search only part of the word like "undeliver" or "undeliv" there will not be any results:

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Is this intended? When I try to search in Gmail should I always search the whole word instead of only part of it?

1 Answer 1


When in Inbox or All Mail, search picks up partial words as well (as you can see in the uploaded image).

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But. Not when it comes to Bin, Spam or any label or category for that matter.

In general: Unless searched before, fragmented/nested searches using Search Operators will not pick/suggest any partial words.
That means searches like: is:, in:, label:, from:, to: and so on.


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