freifunk/mail2-nixos-config
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first import of mailserver config

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This commit is contained in:
Daniel Frank 2019-05-10 23:21:28 +02:00
commit 292215f770
Signed by: tokudan
GPG key ID: 063CCCAD04182D32
19 changed files with 811 additions and 0 deletions
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{ config, lib, pkgs, ... }:
let
pfvirtual_mailbox_domains = pkgs.writeText "virtual_mailbox_domains.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT domain FROM domain WHERE domain='%s' AND active = '1'
'';
pfvirtual_alias_maps = pkgs.writeText "virtual_alias_maps.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT goto FROM alias WHERE address='%s' AND active = '1'
'';
pfvirtual_alias_domain_maps = pkgs.writeText "virtual_alias_domain_maps.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = ('%u' || '@' || alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'
'';
pfvirtual_alias_domain_catchall_maps = pkgs.writeText "virtual_alias_domain_catchall_maps.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = ('@' || alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'
'';
pfvirtual_mailbox_maps = pkgs.writeText "virtual_mailbox_maps.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT maildir FROM mailbox WHERE username='%s' AND active = '1'
'';
pfvirtual_alias_domain_mailbox_maps = pkgs.writeText "virtual_alias_domain_mailbox_maps.cf" ''
dbpath = ${config.variables.pfadminDataDir}/postfixadmin.db
query = SELECT maildir FROM mailbox,alias_domain WHERE alias_domain.alias_domain = '%d' and mailbox.username = ('%u' || '@' || alias_domain.target_domain) AND mailbox.active = 1 AND alias_domain.active='1'
'';
in
{
# Configure Postfix to support SQLite
nixpkgs.config.packageOverrides = pkgs: { postfix = pkgs.postfix.override { withSQLite = true; }; };
# SSL/TLS specific configuration
security = lib.mkIf config.variables.useSSL {
# Configure the certificates...
acme.certs."postfix.${config.variables.myFQDN}" = {
domain = "${config.variables.myFQDN}";
group = config.services.postfix.group;
allowKeysForGroup = true;
postRun = "systemctl restart postfix.service";
# cheat by getting some settings from another certificate configured through nginx.
user = config.security.acme.certs."${config.variables.myFQDN}".user;
webroot = config.security.acme.certs."${config.variables.myFQDN}".webroot;
};
};
systemd = lib.mkIf config.variables.useSSL {
# Make sure at least the self-signed certs are available before trying to start postfix
services.postfix.after = [ "acme-selfsigned-certificates.target" ];
};
# Setup Postfix
networking.firewall.allowedTCPPorts = [ 25 587 ];
services.postfix = {
enable = true;
enableSmtp = true;
enableSubmission = true;
config = {
myhostname = config.variables.myFQDN;
mynetworks_style = "host";
recipient_delimiter = "+";
relay_domains = "";
smtpd_milters = "unix:${config.variables.rspamdMilterSocket}";
non_smtpd_milters = "unix:${config.variables.rspamdMilterSocket}";
smtpd_sasl_path = config.variables.dovecotAuthSocket;
smtpd_sasl_type = "dovecot";
smtpd_tls_auth_only = "yes";
smtpd_tls_chain_files = lib.mkIf config.variables.useSSL "/var/lib/acme/postfix.${config.variables.myFQDN}/full.pem";
smtpd_tls_loglevel = "1";
smtpd_tls_received_header = "yes";
smtpd_tls_security_level = "may";
smtp_tls_loglevel = "1";
smtp_tls_security_level = "may";
virtual_alias_maps = "proxy:sqlite:${pfvirtual_alias_maps}, proxy:sqlite:${pfvirtual_alias_domain_maps}, proxy:sqlite:${pfvirtual_alias_domain_catchall_maps}";
virtual_mailbox_domains = "proxy:sqlite:${pfvirtual_mailbox_domains}";
virtual_mailbox_maps = "proxy:sqlite:${pfvirtual_mailbox_maps}, proxy:sqlite:${pfvirtual_alias_domain_mailbox_maps}";
virtual_transport = "lmtp:unix:${config.variables.dovecotLmtpSocket}";
};
rootAlias = config.variables.mailAdmin;
postmasterAlias = config.variables.mailAdmin;
};
}