mark -qo (without argument) obsolete Its behavior (online detect and send over the available route) is included in -q. In the -qo case no local mail would be sent, but why would be not want to do so? We might use -qo (without arg) for something more useful in the future.

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−The files in admin/ are for system administrators and maybe for users too.
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−
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−They may be helpful but are not required to run masqmail.