MCP-Checker (MCP timed out) - what is ahppening?

[Quentin Campbell]

I am seeing for one sender the following record in the logs:

Jun  1 10:13:57 cheviot1 MailScanner[425]: Message k519DcIG001362 from
195.33.10
4.10 (xxx.yyy at intl.pepsico.com) to newcastle.ac.uk is MCP, MCP-Checker
(MCP 
timed out)

The mail is disappearing. What might be the cause?

Quentin
---
PHONE: +44 191 222 8209    Information Systems and Services (ISS),
                           University of Newcastle,
                           Newcastle upon Tyne,
FAX:   +44 191 222 8765    United Kingdom, NE1 7RU.
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Any opinion expressed above is mine and not that of Newcastle
University.