On Mon, Aug 02, 2021 at 02:29:14PM +0000, Eric Shields | Mass Transit Honchkrow
wrote:
> So when I send an email, it doesn't get past the SYN_SENT stage of the
> TCP handshake. In addition, it does not leave my NAT device.
>
> I currently have my domain's DNS record pointing to the endpoint, but on
> the computer itself, it is pointing to the private IP of the address. It
> sends the private IP out rather than the WAN IP despite adding source
> NAT rules.
Debugging your firewall NAT configuration is not a Postfix topic, and is
best discussed on a firewall-specific list.
You don't need to use Postfix to test outbound connections, just use
"telnet", "nc", ...
> The output of postconf -n:
> inet_interfaces = $myhostname
Why not "all"?
> relayhost = [165.22.191.194]:587
Is this correct?
$ posttls-finger "[165.22.191.194]:587"
posttls-finger: Connected to 165.22.191.194[165.22.191.194]:587
posttls-finger: timeout while reading server greeting
> smtp_bind_address = [wg0_private_ip]
Is this correct and necessary? Typically the right IP address is
chosen automatically...
--
Viktor.
