On Tue, 5 Jun 2018 at 12:14, Neil Price <nprice@xxxxxxxxxx> wrote: > > On 05/06/2018 12:19, Geoff Winkless wrote: > > On Tue, 5 Jun 2018 at 08:17, Neil Price <nprice@xxxxxxxxxx> wrote: > >> I can not see anything the account setup that can cause this, suggestions? > > Running behind an overly-aggressive TCP proxy? > There is no proxy involved. They are all on the same physical network. > > What does tcpdump/wireshark show? > > > What am I looking for? The only thing I see which is relevant after a > mail has been sent is [snip] Mmmf. As a bit of a Hail Mary, try disabling TCP offloading on the client machine's network card. Geoff ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus
