On 06/15/2018 05:44 PM, J Doe wrote:
    Jun 15 18:39:23.422 [8422] dbg: config: trusted_networks are not 
configured; it is recommended that you configure trusted_networks manually

My question is:

— Should I manually set trusted_networks to have the IP address of the host it 
is running on and ignore the warning from --lint or …
— Should I not set trusted_networks and ignore the warning from --debug ?

On 16.06.18 06:33, David Jones wrote:
internal_networks should be any RFC 1918 networks that your mail server sees plus any public networks that are in your control.

no. only servers that deliver mail to you, as your MX servers or other
mailservers directly within your organization should be in
internal_networks.

trusted_networks should be internal_networks plus any external networks that you trust to not send spam -- in other words they are known to have their own outbound mail filtering. This will tell SA to go back one more Received: header to test for "last_external" checks and RBL checks.

not external networks. only external mail servers you trust not to forge e-mail
headers. They may send spam but are not the spam sources.

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