ONYX version 1.3.0.0 and newer:
OnyxEmail:
Onyx uses the default mail client (MS Outlook etc.)
ONYX: UDP 27002
Onyx listens on port 27002, it will write an entry to the log file if it can't open that port.
ONYX versions earlier than 1.3.0.0:
OnyxEmail: UDP 27000
ONYX: UDP 27002, only if :
in ONYXPlus mode or
for Topaz Integration
Firebird on ONYXPlus server: TCP port 3050, only if:
ONYX in ONYXPlus mode