Easthope wrote: > Folk, > > At Wed, 14 Mar 2007 23:26:46 +0100, Magnus Holmgren said, > "If you're tunneling *from* a unix-type OS as a normal user, you > can't use > listen on port 25 since it's privileged." > > Ah! > > Mail is received via POP3, port 110 with no trouble. > > I am tunneling to Debian Linux for sending mail via > SMTP. So apparently the problem is that the exim > daemon is not allowed to receive messages at 25 > through a user tunnel? > > So this might make a working tunnel? > > SSH.StartForwarding [EMAIL PROTECTED] 25:localhost:1025 ~ > > Or perhaps root should make the tunnel? > > SSH.StartForwarding [EMAIL PROTECTED] 25:localhost:25 ~ >
For SMTP/IMAP on linux, this works very well an you don't have to change the inner network configuration. It works like if you were on the lan, even with the real Ip of the server sudo ifconfig lo:0 yourserverip netmask 255.255.255.255 sudo iptables -t nat -A OUTPUT -d yourserverip -p tcp --dport 143 -j DNAT --to yourserverip:8993 sudo iptables -t nat -A OUTPUT -d yourserverip -p tcp --dport 25 -j DNAT --to yourserverip:2525 ssh [EMAIL PROTECTED] -L yourserverip:2525:yourserverip:25 -L yourserverip:8993:yourserverip:143
smime.p7s
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