[Mimedefang] Looking for an explanation of "suspicious_chars"

[Cormack, Ken]

From: Joseph Brennan [mailto:brennan at columbia.edu] 

> I wish the value of $SuspiciousCharsInHeaders and
> $SuspiciousCharsInBody was something like "null" or "cr" instead of
> just true.

> Even if we had this, though, the error is still pretty obscure and
> needs to be taken to tech staff not your average user.

I agree with both points.  But if my helpdesk is talking to the programmer
of the program that is generating the problem header, the "average user"
concern is not so much of an issue.

Ken