|Lets go with blat as its nice and easy|
Basic syntax would be
Hi M2 thank you for your reply,
lets go with blat as its easy
Blat.exe Messagebody.txt -to <EmailAddress> -attach <Attachment>
Messagebody.txt is a file that holds my message of "please see the attached invoice"
Then I would need to populate <EmailAddress> and <Attachment> with the values from the csv or text file