nnimap-fetch-partial-articles

nnimap-fetch-partial-articles is a variable defined in `nnimap.el'.
Its value is

nil

Documentation:
If non-nil, Gnus will fetch partial articles.
If t, Gnus will fetch only the first part. If a string, it
will fetch all parts that have types that match that string. A
likely value would be "text/" to automatically fetch all
textual parts.

This is a Gnus server variable. See Info node `(gnus)Select Methods'.