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To: Doug White <dwhite@resnet.uoregon.edu>
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Subject: Re: tcpdump and tun0
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> > I run ppp -auto -alias <isp> and ppp tries to connect when there are no 
> > process's that ( I think) trying to call it and therefor dial out.
> 
> sendmail is probably trying to do a nameserver lookup.  Try setting the
> dfilter to block DNS lookups.

Would that be:

O DeliveryMode=delay

in sendmail.cf? Or is there a command line arg that I can HUP sendmail with?

According to sendmail.org that is one way to delay and not make sendmail 
do DNS lookups.

> You can enable log levels.  See http://www.freebsd.org/~brian.

I'll check that out...thanks!