diff options
Diffstat (limited to 'modules/private/mail')
-rw-r--r-- | modules/private/mail/default.nix | 8 | ||||
-rw-r--r-- | modules/private/mail/milters.nix | 20 | ||||
-rw-r--r-- | modules/private/mail/opensmtpd.nix | 6 | ||||
-rw-r--r-- | modules/private/mail/postfix.nix | 15 | ||||
-rw-r--r-- | modules/private/mail/relay.nix | 233 |
5 files changed, 261 insertions, 21 deletions
diff --git a/modules/private/mail/default.nix b/modules/private/mail/default.nix index a617934..b50e346 100644 --- a/modules/private/mail/default.nix +++ b/modules/private/mail/default.nix | |||
@@ -1,23 +1,25 @@ | |||
1 | { lib, pkgs, config, ... }: | 1 | { lib, pkgs, config, ... }: |
2 | { | 2 | { |
3 | imports = [ | 3 | imports = [ |
4 | ./milters.nix | 4 | ./milters.nix |
5 | ./postfix.nix | 5 | ./postfix.nix |
6 | ./dovecot.nix | 6 | ./dovecot.nix |
7 | ./relay.nix | ||
7 | ./rspamd.nix | 8 | ./rspamd.nix |
8 | ./opensmtpd.nix | 9 | ./opensmtpd.nix |
9 | ]; | 10 | ]; |
10 | options.myServices.mail.enable = lib.mkEnableOption "enable Mail services"; | 11 | options.myServices.mail.enable = lib.mkEnableOption "enable Mail services"; |
11 | options.myServices.mailRelay.enable = lib.mkEnableOption "enable Mail relay services"; | 12 | options.myServices.mailRelay.enable = lib.mkEnableOption "enable Mail relay services"; |
13 | options.myServices.mailBackup.enable = lib.mkEnableOption "enable MX backup services"; | ||
12 | 14 | ||
13 | config = lib.mkIf config.myServices.mail.enable { | 15 | config = lib.mkIf config.myServices.mail.enable { |
14 | security.acme.certs."mail" = config.myServices.certificates.certConfig // { | 16 | security.acme.certs."mail" = config.myServices.certificates.certConfig // { |
15 | domain = "eldiron.immae.eu"; | 17 | domain = config.hostEnv.fqdn; |
16 | extraDomains = let | 18 | extraDomains = let |
17 | zonesWithMx = builtins.filter (zone: | 19 | zonesWithMx = builtins.filter (zone: |
18 | lib.attrsets.hasAttr "withEmail" zone && lib.lists.length zone.withEmail > 0 | 20 | lib.attrsets.hasAttr "withEmail" zone && lib.lists.length zone.withEmail > 0 |
19 | ) config.myEnv.dns.masterZones; | 21 | ) config.myEnv.dns.masterZones; |
20 | mxs = map (zone: "mx-1.${zone.name}") zonesWithMx; | 22 | mxs = map (zone: "${config.hostEnv.mx.subdomain}.${zone.name}") zonesWithMx; |
21 | in builtins.listToAttrs (map (mx: lib.attrsets.nameValuePair mx null) mxs); | 23 | in builtins.listToAttrs (map (mx: lib.attrsets.nameValuePair mx null) mxs); |
22 | }; | 24 | }; |
23 | services.duplyBackup.profiles = { | 25 | services.duplyBackup.profiles = { |
diff --git a/modules/private/mail/milters.nix b/modules/private/mail/milters.nix index 6b033e8..16c8a7a 100644 --- a/modules/private/mail/milters.nix +++ b/modules/private/mail/milters.nix | |||
@@ -12,7 +12,7 @@ | |||
12 | milters sockets | 12 | milters sockets |
13 | ''; | 13 | ''; |
14 | }; | 14 | }; |
15 | config = lib.mkIf config.myServices.mail.enable { | 15 | config = lib.mkIf (config.myServices.mail.enable || config.myServices.mailBackup.enable) { |
16 | secrets.keys = [ | 16 | secrets.keys = [ |
17 | { | 17 | { |
18 | dest = "opendkim/eldiron.private"; | 18 | dest = "opendkim/eldiron.private"; |
@@ -34,7 +34,14 @@ | |||
34 | user = config.services.opendmarc.user; | 34 | user = config.services.opendmarc.user; |
35 | group = config.services.opendmarc.group; | 35 | group = config.services.opendmarc.group; |
36 | permissions = "0400"; | 36 | permissions = "0400"; |
37 | text = config.myEnv.mail.dmarc.ignore_hosts; | 37 | text = let |
38 | mxes = lib.attrsets.filterAttrs | ||
39 | (n: v: v.mx.enable) | ||
40 | config.myEnv.servers; | ||
41 | in | ||
42 | builtins.concatStringsSep "\n" ([ | ||
43 | config.myEnv.mail.dmarc.ignore_hosts | ||
44 | ] ++ lib.mapAttrsToList (n: v: v.fqdn) mxes); | ||
38 | } | 45 | } |
39 | ]; | 46 | ]; |
40 | users.users."${config.services.opendkim.user}".extraGroups = [ "keys" ]; | 47 | users.users."${config.services.opendkim.user}".extraGroups = [ "keys" ]; |
@@ -51,8 +58,9 @@ | |||
51 | keyPath = "${config.secrets.location}/opendkim"; | 58 | keyPath = "${config.secrets.location}/opendkim"; |
52 | selector = "eldiron"; | 59 | selector = "eldiron"; |
53 | configFile = pkgs.writeText "opendkim.conf" '' | 60 | configFile = pkgs.writeText "opendkim.conf" '' |
54 | SubDomains yes | 61 | SubDomains yes |
55 | UMask 002 | 62 | UMask 002 |
63 | AlwaysAddARHeader yes | ||
56 | ''; | 64 | ''; |
57 | group = config.services.postfix.group; | 65 | group = config.services.postfix.group; |
58 | }; | 66 | }; |
@@ -74,14 +82,14 @@ | |||
74 | configFile = pkgs.writeText "opendmarc.conf" '' | 82 | configFile = pkgs.writeText "opendmarc.conf" '' |
75 | AuthservID HOSTNAME | 83 | AuthservID HOSTNAME |
76 | FailureReports false | 84 | FailureReports false |
77 | FailureReportsBcc postmaster@localhost.immae.eu | 85 | FailureReportsBcc postmaster@immae.eu |
78 | FailureReportsOnNone true | 86 | FailureReportsOnNone true |
79 | FailureReportsSentBy postmaster@immae.eu | 87 | FailureReportsSentBy postmaster@immae.eu |
80 | IgnoreAuthenticatedClients true | 88 | IgnoreAuthenticatedClients true |
81 | IgnoreHosts ${config.secrets.fullPaths."opendmarc/ignore.hosts"} | 89 | IgnoreHosts ${config.secrets.fullPaths."opendmarc/ignore.hosts"} |
82 | SoftwareHeader true | 90 | SoftwareHeader true |
91 | SPFIgnoreResults true | ||
83 | SPFSelfValidate true | 92 | SPFSelfValidate true |
84 | TrustedAuthservIDs HOSTNAME, immae.eu, nef2.ens.fr | ||
85 | UMask 002 | 93 | UMask 002 |
86 | ''; | 94 | ''; |
87 | group = config.services.postfix.group; | 95 | group = config.services.postfix.group; |
diff --git a/modules/private/mail/opensmtpd.nix b/modules/private/mail/opensmtpd.nix index 7831ac0..e4a6140 100644 --- a/modules/private/mail/opensmtpd.nix +++ b/modules/private/mail/opensmtpd.nix | |||
@@ -8,7 +8,7 @@ | |||
8 | group = "smtpd"; | 8 | group = "smtpd"; |
9 | permissions = "0400"; | 9 | permissions = "0400"; |
10 | text = '' | 10 | text = '' |
11 | eldiron ${name}:${config.myEnv.servers."${name}".ldap.password} | 11 | eldiron ${name}:${config.hostEnv.ldap.password} |
12 | ''; | 12 | ''; |
13 | } | 13 | } |
14 | ]; | 14 | ]; |
@@ -22,12 +22,12 @@ | |||
22 | # filter "fixfrom" \ | 22 | # filter "fixfrom" \ |
23 | # proc-exec "${pkgs.procmail}/bin/formail -i 'From: ${name}@immae.eu'" | 23 | # proc-exec "${pkgs.procmail}/bin/formail -i 'From: ${name}@immae.eu'" |
24 | action "relay-rewrite-from" relay \ | 24 | action "relay-rewrite-from" relay \ |
25 | helo ${config.hostEnv.FQDN} \ | 25 | helo ${config.hostEnv.fqdn} \ |
26 | host smtp+tls://eldiron@eldiron.immae.eu:587 \ | 26 | host smtp+tls://eldiron@eldiron.immae.eu:587 \ |
27 | auth <creds> \ | 27 | auth <creds> \ |
28 | mail-from ${name}@immae.eu | 28 | mail-from ${name}@immae.eu |
29 | action "relay" relay \ | 29 | action "relay" relay \ |
30 | helo ${config.hostEnv.FQDN} \ | 30 | helo ${config.hostEnv.fqdn} \ |
31 | host smtp+tls://eldiron@eldiron.immae.eu:587 \ | 31 | host smtp+tls://eldiron@eldiron.immae.eu:587 \ |
32 | auth <creds> | 32 | auth <creds> |
33 | match for any !mail-from "@immae.eu" action "relay-rewrite-from" | 33 | match for any !mail-from "@immae.eu" action "relay-rewrite-from" |
diff --git a/modules/private/mail/postfix.nix b/modules/private/mail/postfix.nix index 6623735..bd284cb 100644 --- a/modules/private/mail/postfix.nix +++ b/modules/private/mail/postfix.nix | |||
@@ -1,4 +1,4 @@ | |||
1 | { lib, pkgs, config, nodes, ... }: | 1 | { lib, pkgs, config, nodes, name, ... }: |
2 | { | 2 | { |
3 | config = lib.mkIf config.myServices.mail.enable { | 3 | config = lib.mkIf config.myServices.mail.enable { |
4 | services.duplyBackup.profiles.mail.excludeFile = '' | 4 | services.duplyBackup.profiles.mail.excludeFile = '' |
@@ -299,8 +299,6 @@ | |||
299 | lib.imap1 (i: m: "${m.type}:/etc/postfix/relay_${n}_${toString i}") v.recipient_maps | 299 | lib.imap1 (i: m: "${m.type}:/etc/postfix/relay_${n}_${toString i}") v.recipient_maps |
300 | ) config.myEnv.mail.postfix.backup_domains); | 300 | ) config.myEnv.mail.postfix.backup_domains); |
301 | smtpd_relay_restrictions = [ | 301 | smtpd_relay_restrictions = [ |
302 | "permit_mynetworks" | ||
303 | "permit_sasl_authenticated" | ||
304 | "defer_unauth_destination" | 302 | "defer_unauth_destination" |
305 | ] ++ lib.flatten (lib.attrsets.mapAttrsToList (n: v: | 303 | ] ++ lib.flatten (lib.attrsets.mapAttrsToList (n: v: |
306 | if lib.attrsets.hasAttr "relay_restrictions" v | 304 | if lib.attrsets.hasAttr "relay_restrictions" v |
@@ -317,8 +315,8 @@ | |||
317 | smtp_tls_loglevel = "1"; | 315 | smtp_tls_loglevel = "1"; |
318 | 316 | ||
319 | ### Force ip bind for smtp | 317 | ### Force ip bind for smtp |
320 | smtp_bind_address = config.myEnv.servers.eldiron.ips.main.ip4; | 318 | smtp_bind_address = config.hostEnv.ips.main.ip4; |
321 | smtp_bind_address6 = builtins.head config.myEnv.servers.eldiron.ips.main.ip6; | 319 | smtp_bind_address6 = builtins.head config.hostEnv.ips.main.ip6; |
322 | 320 | ||
323 | # Use some relays when authorized senders are not myself | 321 | # Use some relays when authorized senders are not myself |
324 | smtp_sasl_mechanism_filter = "plain,login"; # GSSAPI Not correctly supported by postfix | 322 | smtp_sasl_mechanism_filter = "plain,login"; # GSSAPI Not correctly supported by postfix |
@@ -333,13 +331,11 @@ | |||
333 | ### opendkim, opendmarc, openarc milters | 331 | ### opendkim, opendmarc, openarc milters |
334 | non_smtpd_milters = [ | 332 | non_smtpd_milters = [ |
335 | "unix:${config.myServices.mail.milters.sockets.opendkim}" | 333 | "unix:${config.myServices.mail.milters.sockets.opendkim}" |
336 | "unix:${config.myServices.mail.milters.sockets.opendmarc}" | ||
337 | "unix:${config.myServices.mail.milters.sockets.openarc}" | ||
338 | ]; | 334 | ]; |
339 | smtpd_milters = [ | 335 | smtpd_milters = [ |
340 | "unix:${config.myServices.mail.milters.sockets.opendkim}" | 336 | "unix:${config.myServices.mail.milters.sockets.opendkim}" |
341 | "unix:${config.myServices.mail.milters.sockets.opendmarc}" | ||
342 | "unix:${config.myServices.mail.milters.sockets.openarc}" | 337 | "unix:${config.myServices.mail.milters.sockets.openarc}" |
338 | "unix:${config.myServices.mail.milters.sockets.opendmarc}" | ||
343 | ]; | 339 | ]; |
344 | }; | 340 | }; |
345 | enable = true; | 341 | enable = true; |
@@ -357,6 +353,7 @@ | |||
357 | smtpd_sasl_path = "private/auth"; | 353 | smtpd_sasl_path = "private/auth"; |
358 | smtpd_reject_unlisted_recipient = "no"; | 354 | smtpd_reject_unlisted_recipient = "no"; |
359 | smtpd_client_restrictions = "permit_sasl_authenticated,reject"; | 355 | smtpd_client_restrictions = "permit_sasl_authenticated,reject"; |
356 | smtpd_relay_restrictions = "permit_sasl_authenticated,reject"; | ||
360 | # Refuse to send e-mails with a From that is not handled | 357 | # Refuse to send e-mails with a From that is not handled |
361 | smtpd_sender_restrictions = | 358 | smtpd_sender_restrictions = |
362 | "reject_sender_login_mismatch,reject_unlisted_sender,permit_sasl_authenticated,reject"; | 359 | "reject_sender_login_mismatch,reject_unlisted_sender,permit_sasl_authenticated,reject"; |
@@ -378,7 +375,7 @@ | |||
378 | ''; | 375 | ''; |
379 | destination = ["localhost"]; | 376 | destination = ["localhost"]; |
380 | # This needs to reverse DNS | 377 | # This needs to reverse DNS |
381 | hostname = "eldiron.immae.eu"; | 378 | hostname = config.hostEnv.fqdn; |
382 | setSendmail = true; | 379 | setSendmail = true; |
383 | sslCert = "/var/lib/acme/mail/fullchain.pem"; | 380 | sslCert = "/var/lib/acme/mail/fullchain.pem"; |
384 | sslKey = "/var/lib/acme/mail/key.pem"; | 381 | sslKey = "/var/lib/acme/mail/key.pem"; |
diff --git a/modules/private/mail/relay.nix b/modules/private/mail/relay.nix new file mode 100644 index 0000000..9111350 --- /dev/null +++ b/modules/private/mail/relay.nix | |||
@@ -0,0 +1,233 @@ | |||
1 | { lib, pkgs, config, nodes, name, ... }: | ||
2 | { | ||
3 | config = lib.mkIf config.myServices.mailBackup.enable { | ||
4 | security.acme.certs."mail" = config.myServices.certificates.certConfig // { | ||
5 | postRun = '' | ||
6 | systemctl restart postfix.service | ||
7 | ''; | ||
8 | domain = config.hostEnv.fqdn; | ||
9 | extraDomains = let | ||
10 | zonesWithMx = builtins.filter (zone: | ||
11 | lib.attrsets.hasAttr "withEmail" zone && lib.lists.length zone.withEmail > 0 | ||
12 | ) config.myEnv.dns.masterZones; | ||
13 | mxs = map (zone: "${config.myEnv.servers."${name}".mx.subdomain}.${zone.name}") zonesWithMx; | ||
14 | in builtins.listToAttrs (map (mx: lib.attrsets.nameValuePair mx null) mxs); | ||
15 | }; | ||
16 | secrets.keys = [ | ||
17 | { | ||
18 | dest = "postfix/mysql_alias_maps"; | ||
19 | user = config.services.postfix.user; | ||
20 | group = config.services.postfix.group; | ||
21 | permissions = "0440"; | ||
22 | text = '' | ||
23 | # We need to specify that option to trigger ssl connection | ||
24 | tls_ciphers = TLSv1.2 | ||
25 | user = ${config.myEnv.mail.postfix.mysql.user} | ||
26 | password = ${config.myEnv.mail.postfix.mysql.password} | ||
27 | hosts = ${config.myEnv.mail.postfix.mysql.remoteHost} | ||
28 | dbname = ${config.myEnv.mail.postfix.mysql.database} | ||
29 | query = SELECT DISTINCT 1 | ||
30 | FROM forwardings_merge | ||
31 | WHERE | ||
32 | ((regex = 1 AND '%s' REGEXP CONCAT('^',source,'$') ) OR (regex = 0 AND source = '%s')) | ||
33 | AND active = 1 | ||
34 | AND '%s' NOT IN | ||
35 | ( | ||
36 | SELECT source | ||
37 | FROM forwardings_blacklisted | ||
38 | WHERE source = '%s' | ||
39 | ) UNION | ||
40 | SELECT 'devnull@immae.eu' | ||
41 | FROM forwardings_blacklisted | ||
42 | WHERE source = '%s' | ||
43 | ''; | ||
44 | } | ||
45 | { | ||
46 | dest = "postfix/mysql_mailbox_maps"; | ||
47 | user = config.services.postfix.user; | ||
48 | group = config.services.postfix.group; | ||
49 | permissions = "0440"; | ||
50 | text = '' | ||
51 | # We need to specify that option to trigger ssl connection | ||
52 | tls_ciphers = TLSv1.2 | ||
53 | user = ${config.myEnv.mail.postfix.mysql.user} | ||
54 | password = ${config.myEnv.mail.postfix.mysql.password} | ||
55 | hosts = ${config.myEnv.mail.postfix.mysql.remoteHost} | ||
56 | dbname = ${config.myEnv.mail.postfix.mysql.database} | ||
57 | query = SELECT DISTINCT 1 | ||
58 | FROM mailboxes | ||
59 | WHERE active = 1 | ||
60 | AND ( | ||
61 | (domain = '%d' AND user = '%u' AND regex = 0) | ||
62 | OR ( | ||
63 | regex = 1 | ||
64 | AND '%d' REGEXP CONCAT('^',domain,'$') | ||
65 | AND '%u' REGEXP CONCAT('^',user,'$') | ||
66 | ) | ||
67 | ) | ||
68 | LIMIT 1 | ||
69 | ''; | ||
70 | } | ||
71 | { | ||
72 | dest = "postfix/ldap_ejabberd_users_immae_fr"; | ||
73 | user = config.services.postfix.user; | ||
74 | group = config.services.postfix.group; | ||
75 | permissions = "0440"; | ||
76 | text = '' | ||
77 | server_host = ldaps://${config.myEnv.jabber.ldap.host}:636 | ||
78 | search_base = ${config.myEnv.jabber.ldap.base} | ||
79 | query_filter = ${config.myEnv.jabber.postfix_user_filter} | ||
80 | domain = immae.fr | ||
81 | bind_dn = ${config.myEnv.jabber.ldap.dn} | ||
82 | bind_pw = ${config.myEnv.jabber.ldap.password} | ||
83 | result_attribute = immaeXmppUid | ||
84 | result_format = ejabberd@localhost | ||
85 | version = 3 | ||
86 | ''; | ||
87 | } | ||
88 | ]; | ||
89 | |||
90 | networking.firewall.allowedTCPPorts = [ 25 ]; | ||
91 | |||
92 | nixpkgs.overlays = [ (self: super: { | ||
93 | postfix = super.postfix.override { withMySQL = true; }; | ||
94 | }) ]; | ||
95 | users.users."${config.services.postfix.user}".extraGroups = [ "keys" ]; | ||
96 | services.filesWatcher.postfix = { | ||
97 | restart = true; | ||
98 | paths = [ | ||
99 | config.secrets.fullPaths."postfix/mysql_alias_maps" | ||
100 | config.secrets.fullPaths."postfix/mysql_mailbox_maps" | ||
101 | config.secrets.fullPaths."postfix/ldap_ejabberd_users_immae_fr" | ||
102 | ]; | ||
103 | }; | ||
104 | services.postfix = { | ||
105 | mapFiles = let | ||
106 | recipient_maps = let | ||
107 | name = n: i: "relay_${n}_${toString i}"; | ||
108 | pair = n: i: m: lib.attrsets.nameValuePair (name n i) ( | ||
109 | if m.type == "hash" | ||
110 | then pkgs.writeText (name n i) m.content | ||
111 | else null | ||
112 | ); | ||
113 | pairs = n: v: lib.imap1 (i: m: pair n i m) v.recipient_maps; | ||
114 | in lib.attrsets.filterAttrs (k: v: v != null) ( | ||
115 | lib.attrsets.listToAttrs (lib.flatten ( | ||
116 | lib.attrsets.mapAttrsToList pairs config.myEnv.mail.postfix.backup_domains | ||
117 | )) | ||
118 | ); | ||
119 | relay_restrictions = lib.attrsets.filterAttrs (k: v: v != null) ( | ||
120 | lib.attrsets.mapAttrs' (n: v: | ||
121 | lib.attrsets.nameValuePair "recipient_access_${n}" ( | ||
122 | if lib.attrsets.hasAttr "relay_restrictions" v | ||
123 | then pkgs.writeText "recipient_access_${n}" v.relay_restrictions | ||
124 | else null | ||
125 | ) | ||
126 | ) config.myEnv.mail.postfix.backup_domains | ||
127 | ); | ||
128 | virtual_map = { | ||
129 | virtual = pkgs.writeText "postfix-virtual" ( | ||
130 | builtins.concatStringsSep "\n" ( | ||
131 | lib.attrsets.mapAttrsToList ( | ||
132 | n: v: lib.optionalString v.external '' | ||
133 | script_${n}@mail.immae.eu 1 | ||
134 | '' | ||
135 | ) config.myEnv.mail.scripts | ||
136 | ) | ||
137 | ); | ||
138 | }; | ||
139 | sasl_access = { | ||
140 | host_dummy_mailboxes = pkgs.writeText "host-virtual-mailbox" | ||
141 | (builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (n: v: "${n}@immae.eu 1") nodes)); | ||
142 | }; | ||
143 | in | ||
144 | recipient_maps // relay_restrictions // virtual_map // sasl_access; | ||
145 | config = { | ||
146 | ### postfix module overrides | ||
147 | readme_directory = "${pkgs.postfix}/share/postfix/doc"; | ||
148 | smtp_tls_CAfile = lib.mkForce ""; | ||
149 | smtp_tls_cert_file = lib.mkForce ""; | ||
150 | smtp_tls_key_file = lib.mkForce ""; | ||
151 | |||
152 | message_size_limit = "1073741824"; # Don't put 0 here, it's not equivalent to "unlimited" | ||
153 | mailbox_size_limit = "1073741825"; # Workaround, local delivered mails should all go through scripts | ||
154 | alias_database = "\$alias_maps"; | ||
155 | |||
156 | ### Relay domains | ||
157 | relay_domains = let | ||
158 | backups = lib.flatten (lib.attrsets.mapAttrsToList (n: v: v.domains or []) config.myEnv.mail.postfix.backup_domains); | ||
159 | virtual_domains = config.myEnv.mail.postfix.additional_mailbox_domains | ||
160 | ++ lib.remove "localhost.immae.eu" (lib.remove null (lib.flatten (map | ||
161 | (zone: map | ||
162 | (e: if e.receive | ||
163 | then "${e.domain}${lib.optionalString (e.domain != "") "."}${zone.name}" | ||
164 | else null | ||
165 | ) | ||
166 | (zone.withEmail or []) | ||
167 | ) | ||
168 | config.myEnv.dns.masterZones | ||
169 | ))); | ||
170 | in | ||
171 | backups ++ virtual_domains; | ||
172 | relay_recipient_maps = let | ||
173 | backup_recipients = lib.flatten (lib.attrsets.mapAttrsToList (n: v: | ||
174 | lib.imap1 (i: m: "${m.type}:/etc/postfix/relay_${n}_${toString i}") v.recipient_maps | ||
175 | ) config.myEnv.mail.postfix.backup_domains); | ||
176 | virtual_alias_maps = [ | ||
177 | "hash:/etc/postfix/virtual" | ||
178 | "mysql:${config.secrets.fullPaths."postfix/mysql_alias_maps"}" | ||
179 | "ldap:${config.secrets.fullPaths."postfix/ldap_ejabberd_users_immae_fr"}" | ||
180 | ]; | ||
181 | virtual_mailbox_maps = [ | ||
182 | "hash:/etc/postfix/host_dummy_mailboxes" | ||
183 | "mysql:${config.secrets.fullPaths."postfix/mysql_mailbox_maps"}" | ||
184 | ]; | ||
185 | in | ||
186 | backup_recipients ++ virtual_alias_maps ++ virtual_mailbox_maps; | ||
187 | smtpd_relay_restrictions = [ | ||
188 | "defer_unauth_destination" | ||
189 | ] ++ lib.flatten (lib.attrsets.mapAttrsToList (n: v: | ||
190 | if lib.attrsets.hasAttr "relay_restrictions" v | ||
191 | then [ "check_recipient_access hash:/etc/postfix/recipient_access_${n}" ] | ||
192 | else [] | ||
193 | ) config.myEnv.mail.postfix.backup_domains); | ||
194 | |||
195 | ### Additional smtpd configuration | ||
196 | smtpd_tls_received_header = "yes"; | ||
197 | smtpd_tls_loglevel = "1"; | ||
198 | |||
199 | ### Email sending configuration | ||
200 | smtp_tls_security_level = "may"; | ||
201 | smtp_tls_loglevel = "1"; | ||
202 | |||
203 | ### Force ip bind for smtp | ||
204 | smtp_bind_address = config.myEnv.servers."${name}".ips.main.ip4; | ||
205 | smtp_bind_address6 = builtins.head config.myEnv.servers."${name}".ips.main.ip6; | ||
206 | |||
207 | smtpd_milters = [ | ||
208 | "unix:${config.myServices.mail.milters.sockets.opendkim}" | ||
209 | "unix:${config.myServices.mail.milters.sockets.openarc}" | ||
210 | "unix:${config.myServices.mail.milters.sockets.opendmarc}" | ||
211 | ]; | ||
212 | }; | ||
213 | enable = true; | ||
214 | enableSmtp = true; | ||
215 | enableSubmission = false; | ||
216 | # FIXME: Mail adressed to localhost.immae.eu will still have mx-1 as | ||
217 | # prioritized MX, which provokes "mail for localhost.immae.eu loops | ||
218 | # back to myself" errors. This transport entry forces to push | ||
219 | # e-mails to its right destination. | ||
220 | transport = '' | ||
221 | localhost.immae.eu smtp:[immae.eu]:25 | ||
222 | ''; | ||
223 | destination = ["localhost"]; | ||
224 | # This needs to reverse DNS | ||
225 | hostname = config.hostEnv.fqdn; | ||
226 | setSendmail = false; | ||
227 | sslCert = "/var/lib/acme/mail/fullchain.pem"; | ||
228 | sslKey = "/var/lib/acme/mail/key.pem"; | ||
229 | recipientDelimiter = "+"; | ||
230 | }; | ||
231 | }; | ||
232 | } | ||
233 | |||