On Wed, Apr 22, 2009 at 11:57:30PM +1000, Barney Desmond wrote: > > As I said in the first email, I control both ends (both the sender- and the > > receiver-server). But I do not control neither network-connectivity or > > Internet-connectivity at either sites. > > > > I did try turning of Window Scaling at both ends, but it did not help at > > all. It still won't deliver. > > Unless I'm mistaken, disabling window-scaling at one end *should* be > enough (it's a "negotiated" feature, right?).
No, each side advertises a scale, and turning it "off" typically means advertising a scale of 2^0 (i.e. 1) on your end, but the other side is still free to use scaling. > You should be able to > confirm whether it's on or off by looking at a fresh tcpdump, which > would be advisable now. -- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:majord...@postfix.org?body=unsubscribe%20postfix-users> If my response solves your problem, the best way to thank me is to not send an "it worked, thanks" follow-up. If you must respond, please put "It worked, thanks" in the "Subject" so I can delete these quickly.