The problem turned to be a full disk.
Thanks to all who answered my question, and gave me good advice
Charles Cazabon wrote:
> [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> >
> > qmail: [numbers] alert: unable to append to bounce message HELP!
> > sleeping...
>
> Your queue disk is probably full or out of inodes.
>
> Charles
> --
> -----------------------------------------------------------------------
> Charles Cazabon <[EMAIL PROTECTED]>
> GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/
> Any opinions expressed are just that -- my opinions.
> -----------------------------------------------------------------------