services.postfix.settings.main.relayhost
List of hosts to use for relaying outbound mail.
Putting the hostname in angled brackets, e.g. [relay.example.com], turns off MX and SRV lookups for the hostname.
https://www.postfix.org/postconf.5.html#relayhost
- Type
null or (list of string)- Default
[ ]- Example
[ "[relay.example.com]:587" ]- Declared
- <nixpkgs/nixos/modules/services/mail/postfix.nix>