It means that the mail server didn't see who the e-mail should go to before
receiving that data (body) of the e-mail. Many mail servers do sanity
checks to prevent spam and this could be interferring with whatever you are
using to send e-mail.
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.
