Network Administrator
Service Codes
When a communication error occurs, print the Activity Report. Use the report to find the service code for the error.
There are two types of service codes.
·SMTP
·POP3
SMTP Error Codes
Here is the format for SMTP communication service codes.
E123
E = SMTP communication
123 =
RFC is an Internet “standards” term meaning “Request For Comment”. RFCs are documents that define standards or proposed
Numbers 900 and above are codes defined specifically for this Internet Fax.