can't send email to Yahoo accounts
Site:
Deferred: delivery temporarily suspended: lost connection with mta5.am0.yahoodns.net[98.138.112.34] while sending RCPT TO
Deferred: host mta6.am0.yahoodns.net[66.196.118.34] said: 451 4.3.2 Internal error reading data (in reply to MAIL FROM command)