On 8/16/2013 9:43 AM, Martin Gregorie wrote:
If your mail is being routed via your ISP's MTAs you probably need to
add them to trusted_networks too.
internal_networks it is.
On 16.08.13 10:45, Gregg Stock wrote:
I have an MX record that points to our staic IP. So I don't have an
external MTA.
no backup MX servers?
I had a problem with postfix when I added the network that port forwards
to mynetworks, I had an open relay for a couple of hours :(
you should require authentication from all clients to relay.
it's safer in case of virus infection on any internal machines.
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