Robert Fitzpatrick wrote, at 10/23/2008 03:58 PM: > I have an SMTP server down and would like to use another box > temporarily. The IP address of the down server is setup with reverse > DNS. I added this IP address as an alias to the interface on the temp > box, can Postfix control the IP used to send and allow me to use that > alias IP address when sending out so the reverse DNS will keep working? > Right now, it looks like mail is coming from the primary IP address of > the interface. And will this work for my purposes?
http://www.postfix.org/postconf.5.html#smtp_bind_address
