If you're providing commercial support, I think that it is veryimportant that you actually solve your customers' problems or, if youcannot, at least realize this very fast and tell the customers.

(It is not so much because who get nothing out of their supportcontracts will stop paying for them; indeed quite possibly not .)

If you do not actually solve their problems, your customers havebecome your unpaid debuggers; in fact, they're paying you for theprivilege. This is because going

At least on the x86 architecture, shared libraries are not entirely madeup of position independent code. This means that there is a certainamount of relocation that you have to do when you load a shared libraryinto memory at run time. The basic idea behind prelinking is to try todo this relocation ahead of time; for each shared library, you pick adefault location in memory and 'prelink' it so that if it is loaded atthat location it doesn't need any run-time relocation

The other problem with certified email asa way to solve the spam problem is a basic idea:

People don't pay for what they don't need.

So ask yourself: who actually needs to pay for a certification that theiremail isn't spam?

Significant sources of good email certainly don't need to pay; peoplealready want email from them and will raise heck if stuff startsgetting blocked. No one can afford to block GMail, for example.

There's some motivation for smaller sources