>"Knute Johnson" <knute@xxxxxxxxxxx> writes: >> I'm running a FC5 box and using sendmail for my mail server. A >> couple of days ago I noticed some mail not leaving and reporting >> deferred because of No route to host. I tried to telnet to these >> mail servers and get the same no route to host error. So it seems >> that they are in fact not reachable. The odd thing is that they >> should be busy mail sites. One of them is my own ISP's mail server. > >Please post the traceroute. There is no way to tell from the >information you posted where the problem is. Wolf: I should have thought of that! [root@rabbitbrush knute]# tracert -T -p 25 mx3.sun.com traceroute to mx3.sun.com (192.18.43.24), 30 hops max, 40 byte packets 1 lonejuniper.frazmtn.com (208.1.40.41) 0.512 ms 0.479 ms 0.283 ms 2 ppwire1.frazmtn.com (208.1.40.1) 3.851 ms 4.542 ms 5.286 ms 3 207.181.15.129 (207.181.15.129) 10.443 ms 12.498 ms 13.131 ms 4 207.181.15.193 (207.181.15.193) 16.877 ms 17.519 ms 18.124 ms 5 207.181.15.193 (207.181.15.193) 18.761 ms !X 19.380 ms !X 27.450 ms !X [root@rabbitbrush knute]# This just confirms what I thought and that is that my ISP has blocked outbound port 25 again. Thanks, -- Knute Johnson Molon Labe...
