There is a regular ol’ iptables/linux box in front of this doing nat and state matching, didn’t think to poke around there. Thanks for the tip.
Brian On Apr 16, 2014, at 2:47 PM, Viktor Dukhovni <[email protected]> wrote: >> > > Some firewall or load-balancer or similar device is losing connection > state on the network path between your server and the SMTP clients. > You'll have to track down the culprit. > > -- > Viktor.
