Le 18/06/2011 07:47, Xavier Ambrosioni a écrit :
>
> It surprising because currently I have no firewall enabled.
I guess you haven Orange LiveBox. if so, it is a (basic) firewall:
http://assistance.orange.fr/du-bon-usage-du-pare-feu-de-votre-livebox-1317.php
Anyway, since you only have problems for mail from @orange.fr, maybe the
problem is at their side...
I am CC'ing you so that you see if your receive this email.
BTW doesn't Orange block port 25?
>
> Below an example when the connection is properly established.
>
> 07:07:15.040105 IP mail-vx0-f173.google.com.61783 >
> passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 4025038703, win 5720,
> options [mss 1430,sackOK,TS val 4181884618 ecr 0,nop,wscale 6], length 0
> 07:07:18.039674 IP mail-vx0-f173.google.com.61783 >
> passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 4025038703, win 5720,
> options [mss 1430,sackOK,TS val 4181887618 ecr 0,nop,wscale 6], length 0
> 07:07:24.038889 IP mail-vx0-f173.google.com.61783 >
> passrlminisrv.cinema-voiron.fr.smtp: Flags [S], seq 4025038703, win 5720,
> options [mss 1430,sackOK,TS val 4181893618 ecr 0,nop,wscale 6], length 0
> 07:07:30.090982 IP passrlminisrv.cinema-voiron.fr.smtp >
> mail-vx0-f173.google.com.61783: Flags [S.], seq 2112870518, ack 4025038704,
> win 65535, options [mss 1460,nop,wscale 1,nop,nop,TS val 537761090 ecr
> 4181893618,sackOK,eol], length 0
> 07:07:30.217508 IP mail-vx0-f173.google.com.61783 >
> passrlminisrv.cinema-voiron.fr.smtp: Flags [.], ack 1, win 90, options
> [nop,nop,TS val 4181899796 ecr 537761090], length 0
>
> Maybe it's my router which manages the internet connection and NAT the
> incoming connection to my server which breaks the window scaling?
> Any workaround?
>