delta index in Sphinx

Hello, all!

Help me please to solve problem with Sphinx and its delta index.

Configuration file is located in attachment to this topic.

Sorry, i mistake in configuration file:

<-- ADD
and in the table:

Hello, all!

Help me please to solve problem with Sphinx and its delta index.

I don't think this is a delta index issue. Have you checked whether
sphinx considers @ to be part of a word ie does it think that all your
email addresses are actually just one word long?