Syntax error in Opensmtpd config. How to fix?

Question

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table aliases  {test=root}
listen on lo
accept for local alias <aliases> deliver to mbox
accept from local for any

Each time he writes that the error is on the last line.
I delete the last line, the error is shifted to the line above.

Answer 1

Try checking that parentheses are balanced throughout the file. The symptoms are very similar.