Sorry but I cannot make choice for you.
In regard to blat.dll, you've extraneous ';' in the parameter list. See correction directly in the code below

>Boy, I've tried half dozen of these things. Cant get any to work!
>
>They come back with error 1.
>"File name (message text) not given OR Bad argument given"
>
>Even the wiki blat (five lines of code) returns that error.
>Here are the 5 lines:
>
>

>LOCAL lcDll, lcCmd, lnResult
>lcDll = "blat.dll"
>DECLARE INTEGER Send IN (lcDll) STRING blatstring
lcCmd = 'wikibody.txt -t debra@roncherry.com -s "VFP email" -f cherry@roncherry.com -server mail.roncherry.com '
>lnResult = Send(lcCmd)
>?lnResult
>

>
>See anything obvious?