TLS connection closed unexpectedly

[Ken Wright]

On Fri, 2022-01-07 at 18:50 +0100, John Fawcett wrote:
> 
> it may or may not be related to the tls issue, but I think you will
> want to investigate that message about the SQL query syntax error.
> You are not going to be able to login if the query is giving errors.
> Check the log doesn't reveal the cause.

Know anything about SQL queries, John?  Here's the user query in
question:

user_query = SELECT maildir, 2000 AS uid, 2000 AS gid FROM mailbox
WHERE username = '%u' AND active='1'

I copied this directly from the tutorial I've been following and this
is the first time I've seen this error.