Hi Tom
Well i tryed all of your suggestions but the proxmox still doesnt work. Here are my settings:
System Configuration
IP 10.0.0.24
Subnet Mask 255.255.255.0
Gateway 10.0.0.1
Hostname = proxmox
Domain = mail.ch
DNS 195.112.1.111
DNS2 64.2.3.5
Hostname of the mailserver in the local Network = FS1
Hostname in the internet= gwmail.groupwise.ch
domain in the internet = mail.ch
local IP of the Mailserver 10.0.0.98
in GWIA i cannot change the port the SMTP Port
Ports 25 and 26 are open in the Firewall outgoing and incoming
Mail Proxy Configuration:
Relaying
Relay set to 10.0.0.98
SMTP Port 25
domain mail.ch
Ports
External 25
Internal 26
Options
default
transport
none
Network
10.0.0.0
Whiteliste
none
Thank your for your help
Regards
Paul