Yes, safari will detect the *.ipa and will try to install it, but the ipa needs to be correctly sign and only allowed devices would be able to install it.
http://www.diawi.com is a service that will help you with this process.
All of this is for Ad-hoc distribution and not for production apps.
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
