> If I telnet to port 587 or 25 on my machine, I CANNOT send from any spoofed > or real address to any address that's not hosted on my server... I get a 550 > error. > > Nor can I send from a valid address hosted on my server to any external > address... again, I get a 550 error for both ports.
Good, you are requiring SMTP Authentication. > However, if I telnet to port 587 or port 25, and mail from: is a local > address, and rcpt to: is a local address, it accepts and delivers the > message. It does not seem to require SMTP AUTH on EITHER port. Yes, absolutely must your server accept messages destined for a local user. Otherwise, what good would the server be? In other words, it is supposed to accept e-mail for a local user. John Tolmachoff Engineer/Consultant/Owner eServices For You To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
