[nzlug] Postfix + SASL authencation to another Postfix

[Daniel Pittman]

David Hawke <David.Hawke at ppfort.net> writes:
> Chris Hodgetts wrote:
>>
>> I was wondering, if anyone knows how to do this?
>>
>> I have a machine outside my network, the ISP it's connected to blocks
>> port 25. (and has a non-static public address).
>>
>> I want the postfix instance on it to connect back to our primary postfix
>> server(on a static IP), on another port, and authenticate via sasl so
>> this box can deliver messages back to us here in the office.
>>
>> Postfix on the hostile network is only listening to 127.0.0.1, and in
>> reality the only mail from this box will be log checks, and so forth,
>> standard admin emails.
>>
>> If the remote box had a static IP I would just add that address to
>> mynetworks but as it doesn't, I thought this could be a good way to do
>> it.
>   
> Hook them up with openvpn and transfer the mail across the tunnel.
>
> Make sure that the connection is persistent and it will be fine with
> dynamic connections

Well, if you really want secure email between the two machines UUCP
(over SSL or SSH) is probably easier to configure than a VPN, SASL and
so forth -- unless you already needed the other parts.

Er, just to confirm for the OP: You do actually need the other instance
to relay, right, and not just to accept email for local delivery from
this remote system?

Regards,
        Daniel