[EXIM] Mail size

Is it possible to add to `$message_size' the size of those header(s)
(such as `Envelope-to') that are added to individual deliveries?
So that the `$message_size' is the same as the physical size of the file in
a maildir.

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Yann Golanski                                       Internet Systems Developer
yann.golanski@???                         The Planet Online

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