Manual#: 851-000134
Version 3.4 – 08/11/2022
5.4 List of Email Error Codes
1
No SMTP server address specified
There is no SMTP server address specified in the Setup.ini
2
No SMTP server port specified
There is no SMTP server port specified in the Setup.ini
3
Could not ping SMTP server
No ping response from SMTP server.
Possible Reasons:
• Network not available (no Ethernet connection
or network down)
• Router, DNS, or network configuration error
• SMTP server address error (typo)
4
No To recipients specified
No To: Recipients are specified in the Setup.ini
5
SMTP Port connection refused
Could not connect to SMTP port specified
Possible Reason:
• Wrong SMTP port configured
6
Postfix front end error
Postfix didn’t like the front-end request
Note: If PQube 3 is having trouble reaching the SMTP server, double-check that your PQube 3 was
assigned an IP address as well as try pinging the SMTP server from the same LAN that your PQube 3
is connected to. If this works properly, check in with your network administrator to make sure there
are no firewall rules blocking SMTP connections.
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