See bug 271405 comment 16. This bug would only provide a new preference and its corresponding default. Created with "unconfirmed" status as it is still not clear this is the way bug 271405 would try to be fixed.
A preference is needed so, that confirms this bug. Also, I should say that, on bug 271405 there have been proposed twi threshold values: 10 (at the description, which was written long ago) and some value between 3 and 5. Furthermore, I suggest mailnews.recipients_combined_threshold as the id of the preference.
Status: UNCONFIRMED → NEW
Ever confirmed: true
Bug 271405 is going with its own preference.
No longer blocks: 271405
Status: NEW → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → WORKSFORME
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