But do they all start with "2nd mortgage..." and then add those other words? If so, that's the link
The body really doesn't matter. The grouping is done by subject line, as far as I can tell.
No, they don't, thats the thing. Some of them start with a last name (all different) which i've omitted in my above post, but other than that, it shows exactly as I indicated (except for re: at the start of each one).