Thanks but, is it right if coming from Internet I enter to your mail server and after that I send a message from your mail account to your project manager's mail account telling he's an asshole ???
I now SPF is ideal for avoid this behavior, but I think the first example is an "open relay" feature. Thanks a lot. ________________________________ De: Noel Jones <njo...@megan.vbhcs.org> Para: postfix-users@postfix.org Enviado: viernes, 5 de noviembre, 2010 16:32:01 Asunto: Re: Open relay question On 11/5/2010 2:28 PM, Alejandro Facultad wrote: > Dear, I'm in Internet and testing if my mail server is an Open > Relay. So I execute: > > telnet mail.mycompany.com 25 > > After that I do: > > mail from: us...@mycompany.com > OK > rcpt to: us...@mycompany.com > OK > data > This is a test !!! > . > QUEUED > > The mail from user1 to user2 (both from my company) was sent > OK !!! > > Is this behavior normal or is it an open relay ??? Can I sent > a message from one local user to another local user, being > that I come from Internet and not from LAN ??? > > Thanks a lot > > A.F. > > Yes, that's normal. "Open relay" means the RCPT can be an unrelated domain eg. @hotmail.com.