On Tue, Sep 06, 2022 at 09:43:38PM -0400, J Doe wrote:

> Out of curiosity ... why do queue files require the execute bit ?

That's how they're marked "complete".  A partially written queue file is
just read-write.  When a queue is committed it is marked executable and
synced to disk, at that point the SMTP server can tell the remote client
that the file is safely persisted in the queue.

-- 
    Viktor.

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