slackware 9.0 sendmail strangeness

[Jacob Schmude]

Hi listers
Well, I recently got sendmail working via a smarthost, thanks to a generous 
lister who provided me a template to work from. However, I've noticed an 
odd behavior with 9.0. This happened before I dropped my config in, so it's 
gotta be something else. In any case, sendmail starts when the system boots 
up, as it should. When I initiate a ppp connection, I must kill and restart 
sendmail, otherwise fetchmail will not be able to resolve the addresses of 
the senders and mail delivery will fail, including local delivery to my 
mailbox. The smtp error is 453: address of xxx does not resolve, not 
flushed. xxx of course is whatever address is being concerned. If I kill 
and restart sendmail after bringing up the ppp link, all is well. I don't 
ever remember such behavior with previous slackware versions. I even 
changed rc.sendmail to start sendmail with the old options "-bd -q15m" 
instead of the new ones, to no effect. Any ideas here? If worst comes to 
worst, I'll put a few lines in my ip-up and ip-down scripts to deal with 
this, and disable boot-up starting of sendmail. Maybe slackware's pppsetup 
utility does this, I didn't use it this time--I manually wrote my ppp 
config files, as my provider has a dynamic dns address scheme that 
slackware's pppsetup still cannot properly account for. The new versions of 
mainstream pppsetup can but for some reason slackware's author doesn't want 
to drop them in.