Blank SpamCheck

[Edward L. Hannaford]

I'm using MailScanner 4.27.7 and SpamAssassin 2.63.  Occasionally spams get
through MailScanner with the following in the header:

X-PSFInc-MailScanner-Information: Please contact the ISP for more information
X-PSFInc-MailScanner: Found to be clean
X-PSFInc-MailScanner-SpamCheck:
X-MailScanner-From: elhannaford at psfinc.com
X-MailScanner-To: elhannaford at psfinc.com

Note that the SpamCheck line is blank after the colon.  This entry confuses
the heck out of me.  Normally I get some kind of status on the SpamCheck
line, even if a timeout triggers.  Why would this line be blank after the colon?

-Ed

P.S.  While writing this I noticed that the From and To were identical.  I
checked the other failures from today and they have identical From and To
entries also.  Might this be a bug?  Or might I have misconfigured something
somewhere?

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