postfix smtpd nekomunikuje s eth

[volesak na aristia.cz]

Neni jeste nejaky FW pred tim linuxem?
Co si zmenit IP a pripojit se proti nejakemu PC a z nej to testnout aby byla
jistota?
HV

nmap -sS -F -v  www.3dgrafika.cz
Starting nmap 3.30 ( http://www.insecure.org/nmap/ ) at 2004-04-14 09:45
CEST
Host 80.250.15.14 appears to be up ... good.
Initiating SYN Stealth Scan against 80.250.15.14 at 09:45
Adding open port 80/tcp
Adding open port 443/tcp
Adding open port 22/tcp
Adding open port 143/tcp
Adding open port 21/tcp
The SYN Stealth Scan took 17 seconds to scan 1197 ports.
Interesting ports on 80.250.15.14:
(The 1182 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp
22/tcp     open        ssh
23/tcp     filtered    telnet
25/tcp     filtered    smtp
69/tcp     filtered    tftp
80/tcp     open        http
110/tcp    filtered    pop-3
113/tcp    filtered    auth
135/tcp    filtered    loc-srv
137/tcp    filtered    netbios-ns
138/tcp    filtered    netbios-dgm
139/tcp    filtered    netbios-ssn
143/tcp    open        imap2
443/tcp    open        https
445/tcp    filtered    microsoft-ds

Nmap run completed -- 1 IP address (1 host up) scanned in 17.890 seconds