It appears that Viktor Dukhovni <postfix-users@postfix.org> said: >I'd use CDB for this. I think the inputs will not change frequently >enough or be anywhere near sufficiently many to make the CDB map >creation time to be something to worry about. > >CDB has a very stable disk format and API, I trust it more than >either Berkeley DB or LMDB for mostly static data.
As an old qmail user, I entirely agree. Tnx. R's, John