On Mon, 2 Mar 2020, [email protected] wrote:

https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7727

--- Comment #15 from John Mertz <[email protected]> ---

For emails with many/large images, the impact on scantimes can be significant.
As it is, the plugin has configuration variables for various time, size and
dimension limits, so the outlier messages cannot be too catastrophic to overall
performance, but the next feature is likely to be caching to help reduce some
additional load.

I'd recommend also adding a source domain bypass list, ideally tied into auth. If you regularly correspond with someone who sends problematic images, it would be handy to be able to do something like:

   whitelist_auth_ocr      [email protected]

to bypass scanning (vs. applying a score offset).


--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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