Hi Thedrew,
Thank you for your post and welcome to the forums.
Sorry for the delay to your post. With regards to the message, just to confirm the message is one that you can reply to? In terms of the error, do you get any fault message appear when trying to reply?
Cheers.
Ryan_N - Forum Team - https://community.virginmedia.com/t5/custom/page/page-id/WelcomeGoodFolk