Message receipt locked in Outlook
I am running 3 email accounts on outlook but can only connect to one ISP for sending messages.
I recently received an email via one of the non ISP connected accounts which the sender had asked for a receipt. I inadvertantly clicked yes and because the current connection cannot log onto the SMTP server of the originally email, I keep getting the error message that the connection cannot contact the SMTP.
I have tried removing the Pop 3 account and re-installing but the receipt is still hiding somewhere in the background.
I know one solution would be to connect direct to the ISP but that is just not possible.
Any suggestions appriciated.