If I understand them correctly, using such an indexer means providing
a word-based search. Now, as I noted in another message, that might
be a very good choice these days since that is what a lot of people
are accustomed to. But IMAP promises a string-based search for which
you would want to use hashes based on n-grams instead.
At 02:31 PM 4/8/2015, Hoa V. Dinh wrote:
>You probably want to use a full text indexer such as Lucene /
>Elastic Search in this case.
>It will prevent the server from iterating on each email.
>
>--
>Hoa V. Dinh
>
>On Wednesday, April 8, 2015 at 5:28 AM, Bron Gondwana wrote:
>>An important thing to be aware of - if you have iPhone users. iOS
>>since version 7
>>has done a BODY search on every folder if you do a search. That's
>>prohibitively
>>expensive if you're scanning emails every time.
>
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