Doug,

Have you checked to see if Outlook is setup as the default MAPI client on the problem machines?

>I am able to have VFP send mail using the mapimail class on all machines except those running Winxp and Outlook XP. I get the error:
>
>VFP Error: 107 Sendmail: 0
>
>I have had the client run the FOX.REG file and re-register the MSMAPI32.OCX control. No luck. Works fine on older computers, just not with Outlook XP??