[Pkg-exim4-users] Problems concerning IPv6 Port 25's opening to the Internet

[Regid Ichira]

On Tue, Oct 30, 2012 at 01:48:25AM +0900, Satoru Otsubo wrote:
> Thank you,
> 
> > On Sun, Oct 28, 2012 at 03:54:38AM +0900, Satoru Otsubo wrote:
> > >  Why is Port 25 shown as "filtered" ?
> > 
> > Many ISPs filter tcp/25 to protect the internet from their users' open
> > relays. Use tcpdump to check whether your connections from outside
> > come through.
> 
> (1) With the command "tcpdump -vv dst host eeee:....:ffff and port 25",
>       (eeee:....:ffff is my PC's ipv6 address)
> I was able to see ipv6 packets coming from bendel.debian.org.
>   (bendel.debian.org is debian-user at lists.debian.org, which I subscribe.)
> Therefore, it seems that my PC's ipv6 port 25 is open.
> 
  
 
  Can you receive mail?  Can you send mail?  
Don't exim log files have hints?