EQ Admin EQ Forum Admin Staff member Jan 20, 2015 #2 Most likely this error message is indicating that either they created a server side block against your email address or domain name, that their domain is misconfigured, or that their mail server is broken and no one can email them right now.
Most likely this error message is indicating that either they created a server side block against your email address or domain name, that their domain is misconfigured, or that their mail server is broken and no one can email them right now.