Moving away from Exchange

As part of the work I do for a cluster of companies based in Stoke-on-Trent, I am trying to bring the amount of technologies that the businesses uses under a smaller umbrella. As such, the recruitment company was using Microsoft Exchange for mail and calendaring. To bring the company in line with the rest of the group (and to distance myself from Microsoft support), I wanted to go open source as much as possible but knew there was nothing as powerful Exchange so coming up with an equally simple solution was going to be a challenge.

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