https://bugzilla.mozilla.org/show_bug.cgi?id=434054#c9 mentions to change these 3 settings to overcome the problem:
mail.imap.fetch_by_chunks -> false mail.server.default.fetch_by_chunks -> false mail.server.default.mime_parts_on_demand -> false
https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=434054# c9
mentions to change these 3 settings to overcome the problem:
mail.imap. fetch_by_ chunks -> false default. fetch_by_ chunks -> false default. mime_parts_ on_demand -> false
mail.server.
mail.server.