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nixos/postfix-tlspol: only preset dns resolver with useLocalResolver

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This is the best indicator we have about whether to use a local resolver.

In the meantime I'm lobbying upstream to read /etc/resolv.conf.
This commit is contained in:
Martin Weinelt 2025-07-11 03:08:18 +02:00
parent a18cef0754
commit b201963951
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1 changed files with 8 additions and 1 deletions
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9
nixos/modules/services/mail/postfix-tlspol.nix
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@ -8,6 +8,7 @@
let let
inherit (lib) inherit (lib)
hasPrefix hasPrefix
literalExpression
mkEnableOption mkEnableOption
mkIf mkIf
mkMerge mkMerge
@ -92,7 +93,13 @@ in
dns = { dns = {
address = mkOption { address = mkOption {
type = types.str; type = types.str;
default = "127.0.0.1:53"; default = if config.networking.resolvconf.useLocalResolver then "127.0.0.1:53" else null;
defaultText = literalExpression ''
if config.networking.resolvconf.useLocalResolver then
"127.0.0.1:53"
else
null
'';
description = '' description = ''
IP and port to your DNS resolver IP and port to your DNS resolver