There can be several problems causing this error. For troubleshooting purpose:
- Is SMTP server in the same NAV domain?
- Are you able to connect to it via telnet?
- Did you check if firewall is actually blocking some types of access?
There can be several problems causing this error. For troubleshooting purpose:
- Is SMTP server in the same NAV domain?
- Are you able to connect to it via telnet?
- Did you check if firewall is actually blocking some types of access?