Is it rude to reply all to a company-wide email?
Guilty
The short answer
Yes, unless everyone on the list needs your answer. A thank you belongs in a direct reply.
The ruling
From the public record. Names are replaced with roles.
Small claims division
Case no.PC-2026-00402
The coworker who got the 40 replies v. The coworker who replied all
Filed 10/07/2026
- Plaintiff
- The coworker who got the 40 replies
- Defendant
- The coworker who replied all
Statement of claim
HR sent a holiday schedule to the whole company. He replied all with thank you. Then 40 people replied all asking to stop replying all.
Charge
Replying all with thank you to an email sent to 340 recipients, initiating a chain of 40 replies
Judgment
Guilty
Coworker found guilty of a thank you that reached 340 people
Sentence
The defendant will use reply, not reply all, for the rest of the quarter, and send one apology, to the plaintiff only.
How the court usually rules on this
The court reads reply all strictly. It is justified when the whole list needs the information. It is not justified for thanks, agreement or "please remove me from this list", which the court notes always causes more replies. The sentence usually concerns future emails, not the past one.
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