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postfix: fix DKIM signing

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although gmail doesn't seem to be accepting my messages yet :'(
This commit is contained in:
Colin 2022-05-06 11:43:17 +00:00
parent fec0f3757a
commit 07c8ff12a6
2 changed files with 34 additions and 15 deletions
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9
config/net.nix
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@ -3,10 +3,11 @@
{
networking.domain = "uninsane.org";
networking.firewall.enable = true;
networking.firewall.allowedTCPPorts = [ 25 80 443 ];
# DLNA ports: https://jellyfin.org/docs/general/networking/index.html
networking.firewall.allowedUDPPorts = [ 1900 7359 ];
networking.firewall.enable = false;
# networking.firewall.enable = true;
# networking.firewall.allowedTCPPorts = [ 25 80 443 ];
# # DLNA ports: https://jellyfin.org/docs/general/networking/index.html
# networking.firewall.allowedUDPPorts = [ 1900 7359 ];
# we need to use externally-visible nameservers in order for VPNs to be able to resolve hosts.
networking.nameservers = [

40
config/services/postfix.nix
View File

@ -12,24 +12,42 @@
services.postfix.extraConfig = ''
# smtpd_milters = local:/run/opendkim/opendkim.sock
smtpd_milters = inet:localhost:8891
# milter docs: http://www.postfix.org/MILTER_README.html
# mail filters for receiving email and authorized SMTP clients
# smtpd_milters = inet:185.157.162.190:8891
smtpd_milters = unix:/run/opendkim/opendkim.sock
# mail filters for sendmail
non_smtpd_milters = $smtpd_milters
milter_default_action = accept
inet_protocols = ipv4
'';
services.opendkim.enable = true;
services.opendkim.domains = "csl:uninsane.org";
# we use a custom (inet) socket, because the default perms
# of the unix socket don't allow postfix to connect
services.opendkim.socket = "inet:8891@localhost";
# selectors can be used to disambiguate sender machines.
# keeping this the same as the hostname seems simplest
services.opendkim.selector = "mx";
systemd.services.postfix.after = ["wg0veth.service"];
systemd.services.postfix.serviceConfig = {
# run this behind the OVPN static VPN
NetworkNamespacePath = "/run/netns/ovpns";
};
services.opendkim.enable = true;
# services.opendkim.domains = "csl:uninsane.org";
services.opendkim.domains = "uninsane.org";
# we use a custom (inet) socket, because the default perms
# of the unix socket don't allow postfix to connect.
# this sits on the machine-local 10.0.1 interface because it's the closest
# thing to a loopback interface shared by postfix and opendkim netns.
# services.opendkim.socket = "inet:8891@185.157.162.190";
# services.opendkim.socket = "local:/run/opendkim.sock";
# selectors can be used to disambiguate sender machines.
# keeping this the same as the hostname seems simplest
services.opendkim.selector = "mx";
systemd.services.opendkim.after = ["wg0veth.service"];
systemd.services.opendkim.serviceConfig = {
# run this behind the OVPN static VPN
NetworkNamespacePath = "/run/netns/ovpns";
# /run/opendkim/opendkim.sock needs to be rw by postfix
UMask = lib.mkForce "0011";
};
}