I am trying to send out a message my server and getting an error below from my server 550 #5.1.0 Address rejected. (in reply to RCPT TO command))
Is it this server that is rejecting this email or target server? Why? Thanks in advance
I am trying to send out a message my server and getting an error below from my server 550 #5.1.0 Address rejected. (in reply to RCPT TO command))
Is it this server that is rejecting this email or target server? Why? Thanks in advance