From owner-freebsd-isp Tue Jan 7 06:46:12 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id GAA24525 for isp-outgoing; Tue, 7 Jan 1997 06:46:12 -0800 (PST) Received: from birdland.rhein-neckar.de (birdland.rhein-neckar.de [193.197.88.3]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id GAA24508 for ; Tue, 7 Jan 1997 06:45:47 -0800 (PST) Received: from localhost (bsd@localhost) by birdland.rhein-neckar.de (8.8.3/8.8.3) with SMTP id PAA23908; Tue, 7 Jan 1997 15:40:20 +0100 (MET) Date: Tue, 7 Jan 1997 15:40:20 +0100 (MET) From: BSD Mailinglisten-User To: Nate Williams cc: Peter Hawkins , freebsd-isp@freebsd.org Subject: Re: mail weirdness In-Reply-To: <199701062333.QAA22914@rocky.mt.sri.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-isp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Mon, 6 Jan 1997, Nate Williams wrote: > > We have exactly the same problem. Customers with absolutely stable links > > (using modems with CSLIP and/or ISDN with PPP) have sometimes problems > > with popper, especially with large mails. I tried to reproduce the > > problem using perl to no avail.... > > My suspicion (and it's only that) is that the users somehow have > software hand-shaking set at their end. Normal traffic is slow enough > (and in short bursts) such that the handshaking isn't a problem > normally, but when they download large email from the ISP it's a long > sustained download that isn't interrupted which would cause the modem to > tell things to slow down. Since only one end is using software > handshaking, I think things get confused and the modem is never sent the > 'XON' signal and everything hangs. I don't think so. The same customers have absolutely no problems getting _large_ files using ftp from the same server (running 2.1.6.1 BTW), but have problems with POP3. Since nearly everyone with POP3 uses Nutcrap, maybe that's the problem.... Martin | Martin Jangowski E-Mail: maja@birdland.rhein-neckar.de | | Voice: +49 621/53 95 06 Fax: +49 621/53 95 07 | | Snail Mail: Koenigsbacher Str. 16 D-67067 Ludwigshafen Germany | | RNInet e.V. Rhein-Neckar Internet |