Please define "invalid". Do you mean pages without any target?

In T237218#5889146, @Nemo_bis wrote:

Please define "invalid". Do you mean pages without any target?

In which case, I'd consider this to be a duplicate of T55970.

In T237218#5889146, @Nemo_bis wrote:

Please define "invalid". Do you mean pages without any target?

I mean I shouldn't be able to send to a page that isn't a mass message list (eg an article)

I mean I shouldn't be able to send to a page that isn't a mass message list (eg an article)

And how are we supposed to know whether a page is mass message list?

In T237218#5912286, @Nemo_bis wrote:

I mean I shouldn't be able to send to a page that isn't a mass message list (eg an article)

And how are we supposed to know whether a page is mass message list?

If it has no delivery targets and isn't the right content model

If it has no delivery targets and isn't the right content model

Yes, so I consider this a duplicate of T55970.

Boldly closing as duplicate per last comment