Why do you even need a strategy? When I was 1st starting out and looking for leads it was all about practical actions I could take to generate them however I soon discovered that having a bit of a plan & strategy for my MSP really helped with marketing effectively.
Your marketing message should always include the end result.
Direct mail - sending stuff out in bulk - does it work?
Here's why having USP matters and also some bad examples that I've heard of from other managed service providers.