Tickets :: Comment on [#4814] vlad.horde.org timeout after EHLO

* Your Email Address
* Spam protection	Enter the letters below: ._..__..___.. ..__ \| [__] _/ \|__\|[__) _\|_\| \|./__.\| \|\|
Comment	> I'm looking at http://lwn.net/Articles/92727/ > > > > The window scaling in linux changed in 2.6.17. If I disable scaling > on my inbound MX, messages come through. With scaling enabled, I get > nothing. > > > > Unfortunately (for me), I can't leave scaling disabled on my inbound MX. > > > > Thinking about it more, disabling scaling on vlad/coyote may not do > anything. If the horde machines are behind a firewall/router that's > stripping tcp scaling from the headers one-way, then any scaling that > my MX tries to do will be stripped, leaving me with a large size > window and vlad/coyote with a very small window, and few or no > packets transferred past a certain point. > > > > This would suggest that anybody running a linux 2.6.17+ kernel on > their MX host with tcp window scaling enabled (the default) and the > default values for tcp_wmem and tcp_rmem should be having the same > problems receiving mail from the horde mailing lists.
Attachment
Watch this ticket