Hi Pete, Thanks for the response. Any way I can determine this? John At 03:04 PM 10/15/2004 -0400, you wrote: >At 10/15/2004 11:04 Friday, John Kelley wrote: > >I put in the sendmail patch a while back, but we are still getting *Some* > >bounces. > > > >The return path is :<> for these. I know different mail systems work > >differently with regard to handling bounces, but we're getting lots of them > >(yes, we do have lots of lists) when the probe runs across the lists. Are > >others experiencing this issue and if so what is usually done about it? If > >not, what might be the culprit? Probes appear to be working, yet the > >number of these bounces is a cause for concern. > >Just a SWAG, but perhaps it is NOT your SENDMAIL, but a downstream >LISTSERV distribute backbone site? > >Or not. > > >/p >