You should be able to load whatever cpunks mail archives you downloaded into either thunderbird or neomutt, and search for, and or reply to, whatever from there.
https://support.mozilla.org/en-US/products/thunderbird https://neomutt.org/distro/cygwin >From that era... Venona and Cryptome are the same data from Venona, YahooGroups seems a tiny chunk sourced from Toad relay. So if people want to check and add to public completeness, they'll have to use their connections to find and publish new ones. Or dust off their own disks and upload those. Have fun :)
