@ccnet:
Ok pour la gateway. C'est normal le /31 sur "Source" ? Je ne crois pas surtout pour un single host. Avec un nat 1:1, sans outbound nat, ça devrait fonctionner.
Oui, car elle est grisée… Je ne peux pas la changer...
J'ai mis du Packet capture sur Completel avec 192.168.90.155 sur le port 25, nada.
Par contre, et là c'est normal, je vois les ports 110 et 5125 (SMTP extérieur)
14:02:25.356951 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.357996 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.396929 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.397375 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.397484 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 20
14:02:25.436916 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.437908 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 34
14:02:25.438489 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.438589 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 5
14:02:25.475929 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.492986 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 15
14:02:25.493590 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.504818 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 16
14:02:25.541967 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.543953 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 6
14:02:25.544328 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.544428 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 18
14:02:25.581976 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.587921 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 8
14:02:25.588424 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.588595 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 24
14:02:25.625930 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.627962 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 10
14:02:25.628416 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.629505 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 26
14:02:25.667949 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.672967 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 6
14:02:25.673356 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.673739 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 18
14:02:25.673923 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.712967 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.713472 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.714030 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.714520 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.732976 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.733476 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.752938 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:25.753415 IP 92.103.113.154.110 > 217.128.228.248.53480: tcp 0
14:02:25.792065 IP 217.128.228.248.53480 > 92.103.113.154.110: tcp 0
14:02:31.476580 IP 92.103.113.142 > 92.103.113.141: ICMP echo request, id 8842, seq 0, length 64
14:02:31.477036 IP 92.103.113.141 > 92.103.113.142: ICMP echo reply, id 8842, seq 0, length 64
14:02:32.499641 IP 92.103.113.142 > 92.103.113.141: ICMP echo request, id 8842, seq 1, length 64
14:02:32.500026 IP 92.103.113.141 > 92.103.113.142: ICMP echo reply, id 8842, seq 1, length 64
14:02:33.501575 IP 92.103.113.142 > 92.103.113.141: ICMP echo request, id 8842, seq 2, length 64
14:02:33.501955 IP 92.103.113.141 > 92.103.113.142: ICMP echo reply, id 8842, seq 2, length 64
14:02:34.502445 IP 92.103.113.142 > 92.103.113.141: ICMP echo request, id 8842, seq 3, length 64
14:02:34.502821 IP 92.103.113.141 > 92.103.113.142: ICMP echo reply, id 8842, seq 3, length 64
14:02:35.504326 IP 92.103.113.142 > 92.103.113.141: ICMP echo request, id 8842, seq 4, length 64
14:02:35.504703 IP 92.103.113.141 > 92.103.113.142: ICMP echo reply, id 8842, seq 4, length 64
14:03:04.638186 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 0
14:03:04.639045 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.692178 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 0
14:03:04.692603 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.695487 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 44
14:03:04.751171 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 15
14:03:04.751693 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.754721 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 146
14:03:04.813178 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 12
14:03:04.813630 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.813749 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 18
14:03:04.869179 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 42
14:03:04.869611 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.869740 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 18
14:03:04.924236 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 14
14:03:04.924687 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.934424 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 31
14:03:04.991207 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 45
14:03:04.991641 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:04.991748 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 14
14:03:05.049205 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 35
14:03:05.049714 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:05.050247 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 14
14:03:05.115193 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 6
14:03:05.115611 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:05.115746 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 37
14:03:05.179561 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 1460
14:03:05.182460 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 1152
14:03:05.183044 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:05.238190 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 5
14:03:05.238624 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:05.239417 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 37
14:03:05.497300 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 0
14:03:07.795375 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 0
14:03:07.795588 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 6
14:03:07.795947 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:07.796047 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:07.796121 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 15
14:03:07.796382 IP 92.103.113.154.5125 > 89.2.48.82.54775: tcp 0
14:03:07.851347 IP 89.2.48.82.54775 > 92.103.113.154.5125: tcp 0
EDIT à 14h24 : J'ai repris la règle du Firewall du LAN et j'ai changé le port 25 pour passer à "any"… Et cette fois ci, c'est bon !
L'en-tête de mon message que j'ai reçu a bien 92.103.113.154 comme adresse de serveur de courrier !!
Reste à savoir pourquoi le port 25 n'est pas suffisant…
Encore un grand merci, ccnet, pour ta gentilesse, tes questions et tes réponses qui m'ont permies de solutionner ce problème!!!