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mail improvements

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This commit is contained in:
Rouven Seifert 2023-09-01 14:15:17 +02:00
parent 0a8ef57823
commit 0fb1da3199
Signed by: rouven.seifert
GPG key ID: B95E8FE6B11C4D09
3 changed files with 31 additions and 23 deletions
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10
hosts/falkenstein-1/modules/mail/default.nix
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@ -3,6 +3,15 @@
let
domain = "rfive.de";
hostname = "falkenstein.vpn.${domain}";
# see https://www.kuketz-blog.de/e-mail-anbieter-ip-stripping-aus-datenschutzgruenden/
header_cleanup = pkgs.writeText "header_cleanup_outgoing" ''
/^\s*(Received: from)[^\n]*(.*)/ REPLACE $1 127.0.0.1 (localhost [127.0.0.1])$2
/^\s*User-Agent/ IGNORE
/^\s*X-Enigmail/ IGNORE
/^\s*X-Mailer/ IGNORE
/^\s*X-Originating-IP/ IGNORE
/^\s*Mime-Version/ IGNORE
'';
in
{
networking.firewall.allowedTCPPorts = [
@ -62,6 +71,7 @@ in
"permit_mynetworks"
"reject_unauth_destination"
];
smtp_header_checks = "pcre:${header_cleanup}";
alias_maps = [ "hash:/etc/aliases" ];
smtpd_milters = [ "local:/run/opendkim/opendkim.sock" ];
non_smtpd_milters = [ "local:/var/run/opendkim/opendkim.sock" ];