My favorite feature is that it allows me to set up rules for my domain so I don't have many emails in moderation or deleted by mistake! It also has an easy interface which makes managing your content even easier than other services out there (at least this one integrates well). There are no disadvantages at all but maybe if you want more flexibility regarding what type of email accounts can be used within their platform then that could improve things slightly? Maybe look into another service as they might offer better features/flexibility without having such restrictions imposed upon them from Google itself :) Allowing our users access via different providers means we know exactly how much traffic each provider receives thus allowing us greater accuracy when looking after these resources & ensuring best results come back time wise - i'm using google apps support now too because sometimes issues do arise due to changes made during upgrades etcetera.