MCP-Checker (MCP timed out) - Answer: MCP spamassassin timing
MailScanner at ecs.soton.ac.uk
Fri Jun 2 15:19:55 IST 2006
On 2 Jun 2006, at 14:22, Quentin Campbell wrote:
> Have identified the cause and found a work around but am worried
> that a
> simple message could give rise to this problem.
> Am getting the MCP checker "timed out" message because the
> invocation of
> 'spamassassin' that is run for MCP processing is timing out for the
> messages in question. It will do this even if I have an _empty_ 'mcp'
> I note from MailScanner.conf in 4.51.6-1 that the timeout values
> for the
> MCP and non-MCP invocations of 'spamassassin' are different. For the
> former it is only 10 seconds while for the latter it is 75 seconds!
> explains why I only see the probem when the MCP check is done. The
> default values set by Julian are:
> SpamAssassin Timeout = 75
> MCP SpamAssassin Timeout = 10
> The work around was to change in MailScanner.conf the 'MCP
> Timeout' value from 10 to 75 (seconds).
The reason the timeout is much smaller is that it is not doing any
network-based checks, just a very small selection of SpamAssassin
rules. So it shouldn't take anything like as long as the SpamAssassin
call for identifying spam.
If it is taking 75 seconds to check a message against about 10 rules
and nothing else, then there is a problem somewhere.
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