On Tue, Sep 2, 2008 at 1:48 PM, Marcel Grandemange <[EMAIL PROTECTED]> wrote: > > > I have a server that has one real ip and a virtual second ip. > > Both are connected to the same isp but have different addresses. > > > > The plan was one is used for all normall traffic but the second only for > mail. > > > > This is not working so, when a user sends mail postfix uses the main ip > address to send from, this creates an issue as there is someone on the > internal network running there own smtp server and sending spam. > > This results in the main address being blacklisted and our mail server as > well. >
this is the second time in a month that someone has asked this type of question. why would other administrators help you continue to send spam to us?? block outbound SMTP from hosts that should not send it. > > > If postfix could simply send mail from the virtual address our issues would > be solved as main interface can be blacklisted and wont effect our mail > server. > that doesn't solve the problem you are creating for the rest of the world. it also won't solve your problem, your whole netblock will end up blacklisted eventually. > > > > > Help!?
