Dear [Recipient's Name],
I wanted to introduce you to Network Depot, our current Managed Services Provider (MSP).
They have been instrumental in the growth of our business. We have worked with them for [number of years/months] and enthusiastically plan on continuing our relationship. Their team is knowledgeable, responsive, and always willing to go the extra mile to ensure our technology infrastructure is running smoothly.
Contact Network Depot at 703-810-3960 or email@example.com
Thanks so much and hope this helps!