Message Not Delivered error

I got this error ":You have sent an e-mail to an e-mail address () that is not active on this server. Sorry." When I tried to send a mail to our members and guests.

members-1114237@toastmastersclubs.org; 'guests-1114237@toastmastersclubs.org' (guests-1114237@toastmastersclubs.org)

Please let me know what went wrong.

Thank you.

There was a bug in the parsing--I addressed it. Please try this again, and let us know if you have any more issues.