On Sun, 2015-04-05 at 16:53 +0200, Andrea Dell'Amico wrote: > > On 05 Apr 2015, at 14:35, Gregory P. Ennis <PoMec at PoMec.Net> wrote: > > I sure need some help on this one, if any of you have ideas of what to > > do next I would surely appreciate it. An additional aspect of this > > scenario is that when I have used ssh to connect to this mail server via > > the internal network, I am able to ssh out of the machine to one of the > > internal networks or remotely to a different network. If no one else > > has had this problem with 7.1 then it is obviously something I have > > done, but right now I am at a loss. > > Assuming that the mail server’s routing table is correct, you will need some tcpdump to understand if the packets from outside reach the server (and then it discards them). > > I would do this: > 1. Ensure that the mail server still has a valid default gateway and a correct routing table > 2. start tcpdump on the gateway > 3. start tcpdump on the mail server > 4 Try to connect to the mail server from outside. > > > Greg > > Ciao, > Andrea (just upgraded some servers, no problems) > > -- > Andrea Dell'Amico > http://adellam.sevenseas.org/ > > Andrea, Thank you very much, I have always wanted to learn how to use that tool. Looks like I have a good opportunity. Thanks for giving me the framework as to how to use it. Greg