In article <101029.10550.20206@avi.netaxs.com> you wrote: One problem we've seen is with mail servers which want ident, and remote sites which firewall ident - but by silently swallowing the SYNs instead of sending RSTs. FYI, Avi : Hi all, : anyone come across stuff like this? We are runing qmail 1.03, and i'm seeing : some strange things. I have a number of SMTP sessions which just hang, and : then time out. No mail is actually accepted from these sessions... : load is 0.00, so the processes are just hanging around for no reason... : and it's always the same sources...