I've been working on the actual subscription forms in Dada Mail

One of the main problems is that now that there's the possibility of
multiple subscriber fields, each and every subscription form being
displayed has to have a way to input these news values Since the
subscription forms are everywhere - from the default screen, to the
list pages, the archive pages, rss/atom feeds, error pages - as well
as the cut/paste HTML code - it's a little difficult

So, it should be all straightened out -

Some of the more interesting things added is the ability to just
embed the Subscription form into a webpage via one line of JavaScript
- if you ever add/remove a field, the form will reflect this change
It'll even react if you say, close off a list to new subscribers -
it'll only show the, "unsubscribe" option The actual code looks like
this:

<script type="text/javascript" src="http://localhost/cgi-bin/dada/ 

mail cgi/subscription_form_js/listshortname/">

In fact, every single subscription form is created by the exact same
template, called from one single perl subroutine, so every single
Dada Mail subscription form should look exactly the same It's
actually pretty cool

For embedding this form, I'll still give the option to just straight
up copy the HTML and perhaps give some sort of ability to embed the
form via a server side include, although that's quite a bit out of
style, these days

I have to work on the subscription form code a little bit and do some
security/code cleanup and write some sort of changes and multiple
fields docs and release this stuff to everyone to give it a go
There's still some major problems with the new mailing monitor stuff
- I added the ability to have a limit of how many mailings go out at
once and the queueing likes to deadlock, even though all my tests
check out Sigh