An easy way to determine legitimacy of an unexpected email is to reply (without opening the inbound message) and ask the sender whether they intended to send you the message and/or attachment.
DELL
We have been authorized resellers for DELL servers and PCs for years. Currently, the only servers we offer are DELL. Their price/performance ratio and their warranty service programs are very strong. The same can be said for the value of their industry-leading notebook PCs.