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-rw-r--r--hosts/sif/mail/default.nix66
1 files changed, 66 insertions, 0 deletions
diff --git a/hosts/sif/mail/default.nix b/hosts/sif/mail/default.nix
new file mode 100644
index 00000000..29bfb4f1
--- /dev/null
+++ b/hosts/sif/mail/default.nix
@@ -0,0 +1,66 @@
1{ config, pkgs, ... }:
2{
3 services.postfix = {
4 enable = true;
5 enableSmtp = true;
6 enableSubmission = false;
7 setSendmail = true;
8 networksStyle = "host";
9 hostname = "sif.midgard.yggdrasil";
10 destination = [];
11 relayHost = "uucp:ymir";
12 recipientDelimiter = "+";
13 masterConfig = {
14 uucp = {
15 type = "unix";
16 private = true;
17 privileged = true;
18 chroot = false;
19 command = "pipe";
20 args = [ "flags=Fqhu" "user=uucp" ''argv=${config.security.wrapperDir}/uux -z -a $sender - $nexthop!rmail ($recipient)'' ];
21 };
22 };
23 transport = ''
24 odin.asgard.yggdrasil uucp:odin
25 '';
26 config = {
27 always_bcc = "gkleen+sent@odin.asgard.yggdrasil";
28
29 default_transport = "uucp:ymir";
30
31 inet_interfaces = "loopback-only";
32
33 authorized_submit_users = ["!uucp" "static:anyone"];
34 message_size_limit = "0";
35
36 sender_dependent_default_transport_maps = ''regexp:${pkgs.writeText "sender_relay" ''
37 /@(cip|stud)\.ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtp.ifi.lmu.de
38 /@ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtpin1.ifi.lmu.de:587
39 /@(campus\.)?lmu\.de$/ smtp:postout.lrz.de
40 ''}'';
41 sender_bcc_maps = ''regexp:${pkgs.writeText "sender_bcc" ''
42 /^uni2work(-[^@]*)?@ifi\.lmu\.de$/ uni2work@ifi.lmu.de
43 /@ifi\.lmu\.de$/ gregor.kleen@ifi.lmu.de
44 ''}'';
45
46 smtp_sasl_auth_enable = true;
47 smtp_sender_dependent_authentication = true;
48 smtp_sasl_tls_security_options = "noanonymous";
49 smtp_sasl_mechanism_filter = ["plain"];
50 smtp_sasl_password_maps = "regexp:/var/db/postfix/sasl_passwd";
51 smtp_cname_overrides_servername = false;
52 smtp_always_send_ehlo = true;
53 smtp_tls_security_level = "dane";
54
55 smtp_tls_loglevel = "1";
56 smtp_dns_support_level = "dnssec";
57 };
58 };
59
60 sops.secrets.postfix-sasl-passwd = {
61 key = "sasl-passwd";
62 path = "/var/db/postfix/sasl_passwd";
63 owner = "postfix";
64 sopsFile = ./secrets.yaml;
65 };
66}