Messages sent with header only, SYSERR(root): readqf: cannot open

Julian Field mailscanner at
Sun Nov 28 11:42:59 GMT 2004

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Do a
/usr/sbin/sendmail -d0.1 -bt </dev/null
and see if the output contains HASFLOCK. If it doesn't then set "Lock
Type = posix" in MailScanner.conf.

Dawson, Alan wrote:

>I'm seeing a few messages that seem to get sent twice, the first time with
>only the header, then the full message later.
>/var/log/mail shows entries like
>Nov 22 12:20:28 charon sendmail[16998]: iAMCKBqG016952: SYSERR(root):
>readqf: cannot open ./dfiAMCKBqG016952: No such file or directory
>I've googled for this and found
>which suggests some file locking issues
>I'm running
>Sendmail 8.12.10 from SuSE Linux 9.0
>with MailScanner 4.35.11
>I notice in the depths of the MailScanner.conf
># How to lock spool files.
># Don't set this unless you *know* you need to.
># For sendmail, it defaults to "flock".
># For sendmail 8.13 onwards, you will probably need to change it to posix.
># For Exim, it defaults to "posix".
># No other type is implemented.
>Lock Type =
>Do i "need to"  and how would I know ?

Julian Field
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