HI
" One of the issues we are having is that the sbs2011 controls our internet connection with changes that it made when we installed it."
did you mean the integrate DNS on SBS2011 ? i think we can set DNS on hardware router.
" The sbs2011 will not let us connect to the outside resource for our email"
there is a document for your reference
https://www.techradar.com/news/best-email-hosting-providers
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