Message audit logs shows none

[Sergio Alfonso]

I have a message that registers me in the audit logs with a none result, do you know why this happens? It is happening with only 1 sender. It's incoming mail.

[Thomas Anderson]

Looks like the message was aborted at a very early stage, hence no data to put in the mal log entry.  Were you trying to telnet to the inbound port and took too long to respond to the SMTP prompts?