Apple's Ping Overrun with Spam
readwriteweb.com
readwriteweb.com
The bigger problem is that Apples exceedingly proprietary nature will likely lock-out any of the established or establishing anti-virus/trojan/malware/spyware companies from stepping in quickly when the flood occurs.
So yes, I agree they are "mainstream" and welcoming them to the web probably isn't necessary...
"Email me for a free iphone!!
free-iphone99@hotmail.com
Thx RWW!
Posted by: free-iphone | September 3, 2010 8:39 AM"
Anything else can be bypassed
As you point out, it seems like many of their rules for emails would apply equally well to blog comments.
...or D) moderate new registrants for a probationary period
...or E) enlist some of your users-in-good-standing for moderation
...or F) moderate just those comments which an automated system flags as having high spam likelihood (links, images, emails)
...or G) require some small demonstration/forfeit of value (such as a posting fee) for each post. (Risking a non-probationary account that took effort to create is a special case of this.)
...or H) blended variants of the above