Date: Fri, 5 Feb 1999 19:21:55 -0500 From: Chris Johnson <cjohnson@palomine.net> To: Troy Settle <rewt@i-Plus.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: dummy-pop3 server Message-ID: <19990205192155.A16042@palomine.net> In-Reply-To: <Pine.BSF.3.96.990205183451.20442A-100000@Radford.i-Plus.net>; from Troy Settle on Fri, Feb 05, 1999 at 06:37:54PM -0500 References: <Pine.GSU.4.05.9901252229490.27237-100000@www.ainet.com> <Pine.BSF.3.96.990205183451.20442A-100000@Radford.i-Plus.net>
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On Fri, Feb 05, 1999 at 06:37:54PM -0500, Troy Settle wrote: > > On Mon, 25 Jan 1999, Joseph M. Scott wrote: > > > > > On Tue, 26 Jan 1999, Leif Neland wrote: > > > > > I'm looking for a dummy pop3-server, which can authorize anybody, and just > > > send a single message: 'Hey dummy, we have moved the pop3-server; don't > > > use this ip-adress, use the name: "mail.our.domain" instead.' > > > > You could also forward all pop3 traffic to the new machine. It's > > probably unlikely that the people checking their email will ever get the " > > the pop server is now at : whatever_ip", though this may depend largely on > > the mail client. > > > > > I'm trying to redirect port 110 traffic to the appropriate host. I had > thought that running a simple script to telnet over would do the trick, > but at least one MUA doesn't seem to like it much (works great by telnet). > > Anyways, I looked at the man page for ipfw(8), and tried to figure out > that divert thing, but it makes no sense in the context of the man page. > Can anyone shed some light on this? > > Or, if anyone has a perl or C proggy that just opens a transparent socket > to another host, I'd appreciate it. There's a simple way to do it. First, install two ports: /usr/ports/sysutils/ucspi-tcp and /usr/ports/net/netcat. Then, on the old host, run (as root): tcpserver 0 110 nc newhost.com 110 & where newhost.com is the name of the new POP host. That's all there is to it! Connections to port 110 on the old host will be connected to port 110 on the new host. Chris To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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