Hi Folks, I have 3 mail servers all running a postfix based setup, based on workaround.org's fantastic article:
http://workaround.org/ispmail/lenny I have install the python SPF checker plugin (Packaged by tumgreyspf). Here is my minor problem: Currently, when my main mx server is down, my backup mx picks up mail and puts it into it's queue. My secondary mx is VPN'ed to my main mx, so mail from the secondary mx is seen as coming from a local LAN IP, and since it's not in my domain TXT SPF record, it says it's not authroised. The temporary solution that I've done, is force my secondary mail server to forward mail to the external interface of my main mx, and add my secondary mx IP to my domain txt spf record. Does anyone know how to "whitelist" a paticular IP when using tumgreyspf with postfix? Thanks Jonny
