li...@sbt.net.au: > <j...@target.tld>: host target.tld[69.175.yyy.xxx] > said: 550-Please turn on SMTP Authentication in your mail client, or > login to the 550-IMAP/POP3 server before sending your message. > geko.sbt.net.au 550-[180.235.131.4]:51667 is not permitted to relay > through this server without 550 authentication. (in reply to RCPT TO > command)
What is the real server name? What is the real IP address? Wietse