Apple’s not through with their blitz against jailbreaking, with this newly updated support doc that says, among other things, that the recent Visual Voicemail outages from AT&T were caused by—and happened to—hacked iPhones.
They don’t clarify whether the iPhones don’t play well with AT&T’s network because jailbreaking did something bad to them, or whether AT&T and/or Apple shut jailbroken phones out of the service. They just say,
Services such as Visual Voicemail, YouTube, Weather, and Stocks have been disrupted or no longer work on the device. Additionally, third-party apps that use the Apple Push Notification Service have had difficulty receiving notifications or received notifications that were intended for a different hacked device. Other push-based services such as MobileMe and Exchange have experienced problems synchronizing data with their respective servers.
If you were one of those who recently didn’t receive Visual Voicemail messages for a day or more, can you chime in and let us know whether your iPhone is jailbroken? On IntoMobile, a commenter notes that so far he’s received “7 voicemails from all over the US intended for other people and no, my iphone isn’t jailbroken.”