On 14/09/2018 12:25, info at smallinnovations dot nl wrote:
> I do not know much about this topic but recently i saw the Markmail
> service https://markmail.org/docs/faq.xqy maybe this a better search
> service?

Looks like good software. Could be useful if it's acceptable to
outsource archive searching.

Unfortunately it doesn't appear to be open source, though.


--
Mark Rousell