[BlueOnyx:25765] underscore issue

[Barry Mishkind]

I have a problem with mailchimp, which is asking us to put a couple of lines for accommodate dkim.
There is another problem with mailman which apparently does not handle dkim in V2.1.15

Mailchimp asks is to put in a key k2._domainkey .... but BX does not allow us to install an underscore.
We were directed to go to /var/named/chroot/var/named/  and add it to the db.the***net.include file.

However, it doesn't seem to "take" ... and there is a need to run .db.generate.pl

Still no effect. 

What do we do to add a dkim entry that will pass on to dig?

I have also been told that mailman 3.x will break under BX 5209R  I *know* there are problems for the current installation because every reboot requires a permission change on a lock file, and BX does not create mailing lists unless I go in and do it a cursor level. Basically, I'm asking for your advice on whether to try 3.x

thanks in advance
barry