On Thu, 2003-11-20 at 09:32, Etienne Ledoux wrote: > Greetings, > > I've recently changed/upgraded our mailserver to a new enviroment. > I'm using freebsd, postfix, courier-imap on my mailservers and I keep the > mailboxes on a shared nfs drive. Since the move we have been having a few > complaints about timeouts while downloading mail via pop3. > > These timeouts would occur on small and large mailboxes, with only a few > messages in them. The client has a diginet line which isn't saturated. The > connection would start out ok and then it just slows down to a grinding halt > and eventually times out. One thing we have noticed is that all the > complaints are coming from users using Windows XP. We have tested downloading > from the same windows xp machine using outlook and outlook express and the > same thing would happen. But if we downloaded the same mailbox from a > different machine using windows 98 on the same lan using the same diginet > connection the mail downloads quickly without a problem (we also tried > different network cables). We have other clients experiancing the exact same > problem and they are also windows xp users on diginet lines. > > I mount the nfs share from my bsd boxes using the -r=8192,-w=8192 option. > > The servers are handling allot of mail daily but aren't under extreme heavy > load. > > I haven't tried lowering the MTU and I haven't tried another pop3 server yet. > But this will be my next steps to try and solve the problem. > > Could this be a problem with windows xp (why wasn't it a problem before I did > the move ?) > > What could be causing this ? > Any ideas, suggestions ? > What can I do to try and fix this.
A very weird problem in the networking between server and client, this isn't an application problem. When you say 'diginet' are you talking of PPPoE? if yes, try searching in google 'pppoe pmtu'. Good Luck ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
