> Rocco Scappatura: > > 12:31:06.808714 O client.1395 > server.25: . 1931191:1932551(1360) > ack > > 358 win 65178 (DF) > > Can you show the TCP handshake (SYN/SYN+ACK/ACK) with TCP options.
You are right, there is no TCP option. I will try to dump another SMTP session. This time directly on mail gateway server with command: # tcpdump -s 0 -w /var/dump host <client> and port 25 Could be ok? rocsca
