X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=modules%2Fprivate%2Fmail%2Fpostfix.nix;h=8fe06dac426d70a3fa3a9c06961b8e9757034a0a;hb=981fa80354fd6f00f49446777c38f77bd8a65f65;hp=a31841ff872ab81af0416660d298b9111ff80643;hpb=deca5e9bf0cfd02c52c39e051753aeb9640a66f3;p=perso%2FImmae%2FConfig%2FNix.git diff --git a/modules/private/mail/postfix.nix b/modules/private/mail/postfix.nix index a31841f..8fe06da 100644 --- a/modules/private/mail/postfix.nix +++ b/modules/private/mail/postfix.nix @@ -1,4 +1,4 @@ -{ lib, pkgs, config, nodes, ... }: +{ lib, pkgs, config, nodes, name, ... }: { config = lib.mkIf config.myServices.mail.enable { services.duplyBackup.profiles.mail.excludeFile = '' @@ -80,6 +80,76 @@ UNION SELECT '%s' AS destination ''; } + { + dest = "postfix/mysql_sender_relays_maps"; + user = config.services.postfix.user; + group = config.services.postfix.group; + permissions = "0440"; + text = '' + # We need to specify that option to trigger ssl connection + tls_ciphers = TLSv1.2 + user = ${config.myEnv.mail.postfix.mysql.user} + password = ${config.myEnv.mail.postfix.mysql.password} + hosts = unix:${config.myEnv.mail.postfix.mysql.socket} + dbname = ${config.myEnv.mail.postfix.mysql.database} + # INSERT INTO sender_relays + # (`from`, owner, relay, login, password, regex, active) + # VALUES + # ( 'sender@otherhost.org' + # , 'me@mail.immae.eu' + # , '[otherhost.org]:587' + # , 'otherhostlogin' + # , AES_ENCRYPT('otherhostpassword', '${config.myEnv.mail.postfix.mysql.password_encrypt}') + # , '0' + # , '1'); + + query = SELECT DISTINCT `owner` + FROM sender_relays + WHERE + ((regex = 1 AND '%s' REGEXP CONCAT('^',`from`,'$') ) OR (regex = 0 AND `from` = '%s')) + AND active = 1 + ''; + } + { + dest = "postfix/mysql_sender_relays_hosts"; + user = config.services.postfix.user; + group = config.services.postfix.group; + permissions = "0440"; + text = '' + # We need to specify that option to trigger ssl connection + tls_ciphers = TLSv1.2 + user = ${config.myEnv.mail.postfix.mysql.user} + password = ${config.myEnv.mail.postfix.mysql.password} + hosts = unix:${config.myEnv.mail.postfix.mysql.socket} + dbname = ${config.myEnv.mail.postfix.mysql.database} + + query = SELECT DISTINCT relay + FROM sender_relays + WHERE + ((regex = 1 AND '%s' REGEXP CONCAT('^',`from`,'$') ) OR (regex = 0 AND `from` = '%s')) + AND active = 1 + ''; + } + { + dest = "postfix/mysql_sender_relays_creds"; + user = config.services.postfix.user; + group = config.services.postfix.group; + permissions = "0440"; + text = '' + # We need to specify that option to trigger ssl connection + tls_ciphers = TLSv1.2 + user = ${config.myEnv.mail.postfix.mysql.user} + password = ${config.myEnv.mail.postfix.mysql.password} + hosts = unix:${config.myEnv.mail.postfix.mysql.socket} + dbname = ${config.myEnv.mail.postfix.mysql.database} + + query = SELECT DISTINCT CONCAT(`login`, ':', AES_DECRYPT(`password`, '${config.myEnv.mail.postfix.mysql.password_encrypt}')) + FROM sender_relays + WHERE + ((regex = 1 AND '%s' REGEXP CONCAT('^',`from`,'$') ) OR (regex = 0 AND `from` = '%s')) + AND active = 1 + ''; + } { dest = "postfix/ldap_ejabberd_users_immae_fr"; user = config.services.postfix.user; @@ -229,8 +299,6 @@ lib.imap1 (i: m: "${m.type}:/etc/postfix/relay_${n}_${toString i}") v.recipient_maps ) config.myEnv.mail.postfix.backup_domains); smtpd_relay_restrictions = [ - "permit_mynetworks" - "permit_sasl_authenticated" "defer_unauth_destination" ] ++ lib.flatten (lib.attrsets.mapAttrsToList (n: v: if lib.attrsets.hasAttr "relay_restrictions" v @@ -247,32 +315,36 @@ smtp_tls_loglevel = "1"; ### Force ip bind for smtp - smtp_bind_address = config.myEnv.servers.eldiron.ips.main.ip4; - smtp_bind_address6 = builtins.head config.myEnv.servers.eldiron.ips.main.ip6; + smtp_bind_address = config.hostEnv.ips.main.ip4; + smtp_bind_address6 = builtins.head config.hostEnv.ips.main.ip6; - # #Unneeded if postfix can only send e-mail from "self" domains - # #smtp_sasl_auth_enable = "yes"; - # #smtp_sasl_password_maps = "hash:/etc/postfix/relay_creds"; - # #smtp_sasl_security_options = "noanonymous"; - # #smtp_sender_dependent_authentication = "yes"; - # #sender_dependent_relayhost_maps = "hash:/etc/postfix/sender_relay"; + # Use some relays when authorized senders are not myself + smtp_sasl_mechanism_filter = "plain,login"; # GSSAPI Not correctly supported by postfix + smtp_sasl_auth_enable = "yes"; + smtp_sasl_password_maps = + "mysql:${config.secrets.fullPaths."postfix/mysql_sender_relays_creds"}"; + smtp_sasl_security_options = "noanonymous"; + smtp_sender_dependent_authentication = "yes"; + sender_dependent_relayhost_maps = + "mysql:${config.secrets.fullPaths."postfix/mysql_sender_relays_hosts"}"; ### opendkim, opendmarc, openarc milters non_smtpd_milters = [ "unix:${config.myServices.mail.milters.sockets.opendkim}" - "unix:${config.myServices.mail.milters.sockets.opendmarc}" - "unix:${config.myServices.mail.milters.sockets.openarc}" ]; smtpd_milters = [ "unix:${config.myServices.mail.milters.sockets.opendkim}" - "unix:${config.myServices.mail.milters.sockets.opendmarc}" "unix:${config.myServices.mail.milters.sockets.openarc}" + "unix:${config.myServices.mail.milters.sockets.opendmarc}" ]; }; enable = true; enableSmtp = true; enableSubmission = true; submissionOptions = { + # Don’t use "long form", only commas (cf + # http://www.postfix.org/master.5.html long form is not handled + # well by the submission function) smtpd_tls_security_level = "encrypt"; smtpd_sasl_auth_enable = "yes"; smtpd_tls_auth_only = "yes"; @@ -281,10 +353,15 @@ smtpd_sasl_path = "private/auth"; smtpd_reject_unlisted_recipient = "no"; smtpd_client_restrictions = "permit_sasl_authenticated,reject"; + smtpd_relay_restrictions = "permit_sasl_authenticated,reject"; # Refuse to send e-mails with a From that is not handled smtpd_sender_restrictions = "reject_sender_login_mismatch,reject_unlisted_sender,permit_sasl_authenticated,reject"; - smtpd_sender_login_maps = "hash:/etc/postfix/host_sender_login,mysql:${config.secrets.fullPaths."postfix/mysql_sender_login_maps"}"; + smtpd_sender_login_maps = builtins.concatStringsSep "," [ + "hash:/etc/postfix/host_sender_login" + "mysql:${config.secrets.fullPaths."postfix/mysql_sender_relays_maps"}" + "mysql:${config.secrets.fullPaths."postfix/mysql_sender_login_maps"}" + ]; smtpd_recipient_restrictions = "permit_sasl_authenticated,reject"; milter_macro_daemon_name = "ORIGINATING"; smtpd_milters = "unix:${config.myServices.mail.milters.sockets.opendkim}"; @@ -298,7 +375,7 @@ ''; destination = ["localhost"]; # This needs to reverse DNS - hostname = "eldiron.immae.eu"; + hostname = config.hostEnv.fqdn; setSendmail = true; sslCert = "/var/lib/acme/mail/fullchain.pem"; sslKey = "/var/lib/acme/mail/key.pem"; @@ -340,7 +417,7 @@ }; }; }; - security.acme.certs."mail" = { + security.acme2.certs."mail" = { postRun = '' systemctl restart postfix.service '';