Proofpoint / SMTP error code 421

smtp;421 4.1.1 <email@example.com>: Recipient address rejected: unverified address: host example.com[x.xx.xx.xx] said: 450 4.1.1 <email@example.com>: Recipient address rejected: unverified address: lost connection with mail.example.com[x.xx.xx.xx] while sending RCPT TO (in reply to RCPT TO command)

This SMTP response doesn’t have any information yet. Be the first to contribute!

▒░▓▒▓▒▒▓▒▒█▓▓▒░▒▓█▒▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓░▒▓▒▓▓▓▓▓▓▓▓▓▓▓▓▓░░▒▒░▒▒▒░▒▒▓██▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░▒█▒░▒█▓█▓▒▒█▒▓▓▓▓▓▓▓▓▓▓░░░▒░░▒░▓▓▓▓▓▓▓▓▓▒▓▓▒▒█▓▓▓▓▓▓▓▓▓▒█░░░▒░░▓▓▓█░▓░░█▒▓▒▓▒▒█▓▒▓▓▓▓▓▓▓▓▓▓▓█░▓▓▓▓▓▓▓▓▓░▒▓▓▓▓▓▓▓▓▓▒▒▒▓░▒░██░▓▓▓▓▓▓▓▓▓░▓▒▒░▒▓▓▓▓▓▓▓▓▓░▒▓█▓▓█▓░█░░▒░▒▒▒░▓░▓░░▒▓█░▒▓▓▓▓▓▓▓▓▓▓█░▒▒▓▓▓▓▓▓▓▓▓▒▒▒▓▒▒▒▓▓▓▓▓▓▓▓▓░░▒█▒▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▒▒▒▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓░▒▒▒▓▓▓▓▓▓▓▓▓▓▒░▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░█▓▒█▒▒░█▒▓▓▓▓▓▓▓▓▓▓█▒▓▒▒▒▒░░▓▒░▒░▓▓▓▓▓▓▓▓▓▓▓▒▓▓▒░█▒▒▓░░░▒▓▒▓▓█░▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░▓░▓▓▒▒░█▓▓░░▓▓▓▓▓▓▓▓▓▓▒▒▓▒▒▓▓▓▓▓▓▓▓▓▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▓▒▒▓▓▓▓▓▓▓▓▓░█▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓▒▒▒▒░░░░░▓▓░█░▓▓▓▓▓▓▓▓▓██▓▓▓▓▓▓▓▓▓▓▓▒▒▓▒▓░░█░▒▒▓▓▓▓▓▓▓▓▓▓▓▒▒▒░░▓▓▓▓▓▓▓▓▓░▒▓▒▓▓▓▓▓▓▓▓▓▒░▒▓▓█▒▒▒░▓▒▒▓▓▓▓▓▓▓▓▓▒▒░▓▓▓▓▓▓▓▓▓▒░▒▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓▓▓▒░▒░█▓▓▓▓▓▓▓▓▓▓█▒▒▓░▓▓▓▓▓▓▓▓▓█▓▓█▒░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░█▒░▒▓█▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░█░░▓░▓▓▒░▓█▒▒█▓▓░░░▓▓▓▓▓▓▓▓▓▓█▒▓▓▒░▒▒░░▒▒▓█▒░▓░▒▒▒░▓▒▒░░▒▒▒▒▓▓▓▓▓▓▓▓▓▓░▒░▒▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█░▒░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▒▒▓█▒░▒▒▒▓░

Built with

▓▒▓▓▓▓▓▓▓▓▓░░▒░▒▓░▓▓▓▓▓▓▓▓▓░▒░▓▓▓▓▓▓▓▓▓░▒▓▒░▒░▓▓▓░▓▒█▓▓▓▓▓▓▓▓▓█▓▓▒▒▒░██▒▓▓█▒░▓▓▓▓▓▓▓▓▓▓░▒▓▒▒▒▒▓▓▓▓▓▓▓▓▓░▒▓▓▒█▒░▓▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░▒▒▒▓▒░▓▓▓▓▓▓▓▓▓▒█▓▒░▒█▒░▒▓▒▒▓█▒▒░▒▒▓░░▒▒▓▒█▓▒▓▓▓▓▓▓▓▓▓▓▓▓░░▒▒▓█░░▒▓▓▒▓░▓▓▒░▓▓▓▓▓▓▓▓▓▒░▓▓▓▓▓▓▓▓▓▓█▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓░▓▓▓▓▓▓▓▓▓▓▒█▒░█▒▓█░▓▓▓▓▓▓▓▓▓▓▓█▓▓▓▓▓▓▓▓▓▓▓▒▒░▒█▒▒▓▒▓▓░▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓▒▓▓░██░█▒▓▓▓▓░░░█▒█▓░░▓░░▓▓▓▓▓▓▓▓▓░░▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓▒▓░▒▒▓▓▓▓▓▓▓▓▓▓▓▒█▒▓▓▓▓▓▓▓▓▓█▒▓▓▓▓▓▓▓▓▓▓▓░▓░▒░▒▓▓▓▓▓▓▓▓▓░▓▓░▒▒▒▓▓▓▓▓▓▓▓▓▓░▓█▓▒▒░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▓▒▓▓▓▓▓▓▓▓▓▓▒▓▓▓▒█░▒▓░░░▒░░█▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓░▒▒░█▒█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░▒█▓█▓▒░▒▒▒▓▓▒▓▓▒░█░░▓░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒░█░▒░▓▒░░░░▒░░█▒░░▒░▓▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒░▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▓▒▒█▒░█▓▓▓▓▓▓▓▓▓░▓▓▓▓▓▓▓▓▓░▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓░░█▓▓░▒░▒▒▒▓░▓▓▓▓▓▓▓▓▓▒▒░▒░▓▓▓▓▓▓▓▓▓▓▒▓▒▒░░▒▒▓▓░▓█░▓░▒▒░▓░▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░▓▓▓▓▓▓▓▓▓▒█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒█▓░░▓░░▓▓▓▓▓▓▓▓▓░▓█░░▒▓▒▓▓▓▓▓▓▓▓▓█▒▒░█░▓░▒██▓▓▓▓▓▓▓▓▓░▓░▒▓█▓▓▓▓▓▓▓▓▓▓▓▒░▓▒▒▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▓▓█▓▒▒▓▓▓▓▓▓▓▓▓█▒▓░▒▒░▒▒▓▓░█▓▓▓▓▓▓▓▓▓░▓▒░▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒░▓▓