Dolphin is open source spamming software?

Just wondering because all over the site I am developing I have "Subscribe" links where user's can subscribe to site emails or profiles, but they have no way of confirming/opting in their email - they are just added. And I have no apparent way of removing the profile subscribe links or requireing that they opt in/confirm. If I rolled a site out like that, and sent emails to so called subscribers, I would get blacklisted for spamming! What gives - d 7.0.5?? Rule number one of running a legit web site - you do not accept a contactable email address that is not optin confirmed! I'm sorry but am I the only one who sees this as a glaring oversight? I can remove the subscribe box from the index page just by removing the block, and I suggest everyone does that. However, I have to hack the code to remove the profile subscribe link?

Opt-In laws vary. Not all countries have the same rules regarding spam. So programming oversite, or simply not aware. Take your pick.

anyway there should be really possibility to opt out by email from any subscription..