Thank you Dave & Matt for clarifying this for me...

> I have found that it is good to use both cferror tags;
> most error WILL be caught by the "exception" tag and 
> you will be automatically notified. Some errors (I've 
> never figured out exactly which ones) slip through and
> your user may click on the mailto link.

Not all errors are exceptions. An exception is a specific type of error
that happens only at runtime. Other errors may happen before runtime;
for example, if you misspell a CFML tag, the server won't be able to
parse the page, and you'll get an error before runtime.

Generally speaking, the difference between an error and an exception is
that you can programmatically recover from an exception, but not an
error.

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