Linden Lab and Second Life use e-mail in a wide variety of ways, from direct e-mail campaigns informing users of promotions, etc., through the users having a means to obtain IMs sent to them while they are not logged-in (and even reply to them within a certain time constraint).
However, many people sign-up to Second Life, either with new accounts or additional accounts, and offer e-mail addresses which are either made up, or unused. The former is a particular problem for the Lab, as it creates additional traffic passing through ISPs, which can mark the Lab as a purveyor of “spam”.
To try to reduce this problem, the Lab recently introduced e-mail verification. When you sign-up to Second Life, the e-mail account provided will receive a request to verify it (the usual click-on-the-link approach); if you change the e-mail address, you will receive a similar verification request.
In addition, there…