Enhance mail configuration: add envelope support in Sieve, create SMTP and IMAP SRV records, update Dovecot settings, and implement Postfix startup script

This commit is contained in:
2025-03-16 19:37:44 +01:00
parent 7dd59fa72a
commit 51d6229b03
7 changed files with 406 additions and 51 deletions
+16
View File
@@ -10,6 +10,8 @@
mail_home: "{{ persistent_data | default('/var/lib') }}/mail"
mail_user_id: 1000
mail_group_id: 1000
postfix_user_id: 100
postfix_group_id: 101
tags: always
- name: Set required facts
@@ -43,3 +45,17 @@
tags:
- tasks
- tasks::folders
- name: Create required postfix folders
become: true
ansible.builtin.file:
state: directory
path: "{{ item }}"
mode: "0750"
owner: "{{ postfix_user_id }}"
group: "{{ postfix_group_id }}"
loop:
- "{{ mail_home }}/postfix"
tags:
- tasks
- tasks::folders
+22
View File
@@ -126,3 +126,25 @@ resource "cloudns_dns_record" "alexpires_me_mail" {
value = "mail-pt.securemail.pro"
ttl = "3600"
}
resource "cloudns_dns_record" "alexpires_me_mail_smtp_srv" {
name = "_smtp._tcp"
zone = local.alexpires_me_zone
type = "SRV"
priority = 0
weight = 1
port = 465
value = "smtp.${local.alexpires_me_zone}"
ttl = "3600"
}
resource "cloudns_dns_record" "alexpires_me_mail_imap_srv" {
name = "_imap._tcp"
zone = local.alexpires_me_zone
type = "SRV"
priority = 0
weight = 1
port = 993
value = "imap.${local.alexpires_me_zone}"
ttl = "3600"
}
+2 -36
View File
@@ -53,42 +53,8 @@ locals {
scaleway_smtp_port = 587
# mail settings
getmail_version = "v0.0.1-6.19.07"
fetch_emails_schedule = "*/2 * * * *"
email_accounts = [
{
domain = "alexpires.me"
recipient = "c.alexandre.pires"
receive = {
type = "imap"
server = "mail-pt.securemail.pro"
port = 993
}
send = {
server = "smtp-pt.securemail.pro"
port = 465
}
username = var.alexpires_me_email_username
password = var.alexpires_me_email_password
mailboxes = ["INBOX", "Sent", "Drafts", "Trash", "Spam"]
}
]
getmail_jobs = flatten([
for account in local.email_accounts : [
for mailbox in account.mailboxes : {
name = "${account.recipient}-${mailbox}"
recipient = "${account.recipient}+${mailbox}"
domain = account.domain
server = account.receive.server
port = account.receive.port
username = account.username
password = account.password
mailbox = mailbox
delete_after = try(account.delete_after, 30)
}
]
])
getmail_version = "v0.0.1-6.19.07"
fetch_emails_schedule = "*/2 * * * *"
mail_files_backup_cron_schedule = "0 3 * * *"
# storage
+269 -11
View File
@@ -2,7 +2,69 @@ locals {
mail_path = "${local.persistent_folder}/mail"
mailboxes_path = "${local.mail_path}/mailboxes"
getmail_path = "${local.mail_path}/getmail"
postfix_path = "${local.mail_path}/postfix"
mail_backup_path = "${local.persistent_folder}/backup.mail"
email_accounts = [
{
domain = "alexpires.me"
recipient = "c.alexandre.pires"
receive = {
type = "imap"
server = "mail-pt.securemail.pro"
port = 993
}
send = {
server = "smtp-pt.securemail.pro"
port = 465
}
username = var.alexpires_me_email_username
password = var.alexpires_me_email_password
mailboxes = ["INBOX", "Sent", "Drafts", "Trash", "Spam"]
}
]
getmail_jobs = flatten([
for account in local.email_accounts : [
for mailbox in account.mailboxes : {
name = "${account.recipient}-${mailbox}"
recipient = "${account.recipient}+${mailbox}"
domain = account.domain
server = account.receive.server
port = account.receive.port
username = account.username
password = account.password
mailbox = mailbox
delete_after = try(account.delete_after, 30)
}
]
])
postfix_env_vars = {
# Email configuration
SMTP_HOST = local.scaleway_smtp_host
SMTP_PORT = 465
MY_DESTINATION = "alexpires.me"
MY_NETWORKS = "127.0.0.0/8"
MAILNAME = "smtp.alexpires.me"
DOVECOT_AUTH_ADDRESS = "dovecot-auth.mail.svc.cluster.local"
DOVECOT_AUTH_PORT = 31000
DOVECOT_LMTP_ADDRESS = "dovecot-lmtp.mail.svc.cluster.local"
DOVECOT_LMTP_PORT = 31024
LOG_TO_STDOUT = 1
}
postfix_secrets = {
SMTP_USER = {
key = "username"
name = kubernetes_secret.relay_mail_credentials.metadata[0].name
}
SMTP_PASSWORD = {
key = "password"
name = kubernetes_secret.relay_mail_credentials.metadata[0].name
}
}
}
resource "kubernetes_namespace" "mail" {
@@ -27,7 +89,19 @@ resource "kubernetes_secret" "dovecot_users" {
}
}
resource "kubernetes_service_account" "mail_service_account" {
resource "kubernetes_secret" "relay_mail_credentials" {
metadata {
name = "relay-mail-credentials"
namespace = kubernetes_namespace.mail.metadata[0].name
}
data = {
username = var.scaleway_project_id
password = scaleway_iam_api_key.mail_app_api.secret_key
}
type = "Opaque"
}
resource "kubernetes_service_account" "mail_app" {
metadata {
name = "mail-app-sa"
@@ -37,6 +111,28 @@ resource "kubernetes_service_account" "mail_service_account" {
automount_service_account_token = false
}
resource "kubernetes_config_map" "postfix_config" {
metadata {
name = "postfix-config"
namespace = kubernetes_namespace.mail.metadata[0].name
}
data = {
"run.config" = file("${path.module}/resources/mail/run.config")
}
}
resource "kubernetes_secret" "bcc_map" {
metadata {
name = "bcc-map"
namespace = kubernetes_namespace.mail.metadata[0].name
}
data = {
"bcc_map" = join("\n", [for account in local.email_accounts : "/([^@]+)@${replace(account.domain, ".", "\\.")}/ $${1}+Sent@${account.domain}"])
}
}
resource "kubernetes_config_map" "getmail_config" {
metadata {
name = "getmail-config"
@@ -194,19 +290,19 @@ resource "kubernetes_cron_job_v1" "fetch_emails" {
}
}
resource "kubernetes_deployment" "mail" {
resource "kubernetes_deployment" "dovecot" {
metadata {
namespace = kubernetes_namespace.mail.metadata[0].name
name = "mail"
name = "dovecot"
labels = {
app = "mail"
app = "dovecot"
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "mail"
app = "dovecot"
}
}
strategy {
@@ -215,11 +311,11 @@ resource "kubernetes_deployment" "mail" {
template {
metadata {
labels = {
app = "mail"
app = "dovecot"
}
}
spec {
service_account_name = kubernetes_service_account.mail_service_account.metadata[0].name
service_account_name = kubernetes_service_account.mail_app.metadata[0].name
container {
name = "dovecot"
image = "dovecot/dovecot:latest"
@@ -230,6 +326,9 @@ resource "kubernetes_deployment" "mail" {
port {
container_port = 31024
}
port {
container_port = 31000
}
volume_mount {
name = "email-storage"
mount_path = "/var/mail"
@@ -291,7 +390,7 @@ resource "kubernetes_deployment" "mail" {
}
}
}
depends_on = [kubernetes_manifest.mail_certificate, kubernetes_service_account.mail_service_account]
depends_on = [kubernetes_manifest.mail_certificate, kubernetes_service_account.mail_app]
lifecycle {
replace_triggered_by = [
kubernetes_config_map.dovecot_config,
@@ -301,15 +400,130 @@ resource "kubernetes_deployment" "mail" {
}
}
resource "kubernetes_deployment" "postfix" {
metadata {
namespace = kubernetes_namespace.mail.metadata[0].name
name = "postfix"
labels = {
app = "postfix"
}
}
spec {
replicas = 1
selector {
match_labels = {
app = "postfix"
}
}
strategy {
type = "Recreate"
}
template {
metadata {
labels = {
app = "postfix"
}
}
spec {
service_account_name = kubernetes_service_account.mail_app.metadata[0].name
container {
name = "postfix"
image = "tozd/postfix:alpine-316"
port {
container_port = 465
host_port = 465
}
dynamic "env" {
for_each = local.postfix_env_vars
content {
name = env.key
value = env.value
}
}
dynamic "env" {
for_each = local.postfix_secrets
content {
name = env.key
value_from {
secret_key_ref {
key = env.value.key
name = env.value.name
}
}
}
}
volume_mount {
name = "email-storage"
mount_path = "/var/spool/postfix"
}
volume_mount {
name = "postfix-run-config"
mount_path = "/etc/service/postfix/run.config"
sub_path = "run.config"
read_only = true
}
volume_mount {
name = "bcc-map"
mount_path = "/etc/postfix/bcc_map"
sub_path = "bcc_map"
read_only = true
}
volume_mount {
name = "certs"
mount_path = "/etc/letsencrypt"
read_only = true
}
}
volume {
name = "email-storage"
host_path {
path = local.postfix_path
}
}
volume {
name = "postfix-run-config"
config_map {
name = kubernetes_config_map.postfix_config.metadata[0].name
}
}
volume {
name = "bcc-map"
secret {
secret_name = kubernetes_secret.bcc_map.metadata[0].name
}
}
volume {
name = "certs"
secret {
secret_name = "mail-tls"
}
}
}
}
}
depends_on = [kubernetes_manifest.mail_certificate, kubernetes_service_account.mail_app]
lifecycle {
replace_triggered_by = [
kubernetes_config_map.postfix_config,
kubernetes_secret.relay_mail_credentials,
kubernetes_secret.bcc_map,
]
}
}
resource "kubernetes_service" "dovecot" {
metadata {
namespace = kubernetes_namespace.mail.metadata[0].name
name = "mail"
name = "dovecot"
}
spec {
selector = {
app = "mail"
app = "dovecot"
}
port {
name = "imap"
port = 993
@@ -334,7 +548,7 @@ resource "kubernetes_service" "dovecot_lmtp" {
spec {
selector = {
app = "mail"
app = "dovecot"
}
port {
port = 31024
@@ -342,3 +556,47 @@ resource "kubernetes_service" "dovecot_lmtp" {
cluster_ip = "None"
}
}
resource "kubernetes_service" "dovecot_auth" {
metadata {
name = "dovecot-auth"
namespace = kubernetes_namespace.mail.metadata[0].name
}
spec {
selector = {
app = "dovecot"
}
port {
port = 31000
}
cluster_ip = "None"
}
}
resource "kubernetes_service" "postfix" {
metadata {
namespace = kubernetes_namespace.mail.metadata[0].name
name = "postfix"
}
spec {
selector = {
app = "postfix"
}
port {
name = "smtp"
port = 465
target_port = 465
}
type = "LoadBalancer"
}
lifecycle {
ignore_changes = [
metadata[0].annotations
]
}
}
+14 -2
View File
@@ -30,8 +30,8 @@ namespace inbox {
auto = subscribe
}
mailbox Spam {
special_use = \Spam
mailbox Junk {
special_use = \Junk
auto = create
auto = subscribe
}
@@ -136,6 +136,8 @@ service stats {
}
}
auth_mechanisms = plain login
service auth {
inet_listener auth {
port = 31000
@@ -230,3 +232,13 @@ metric mail_delivery {
sieve_script default {
path = /etc/dovecot/sieve/default.sieve
}
log_path = /dev/stdout
info_log_path = /dev/stdout
debug_log_path = /dev/stdout
# Enable verbose logging
# auth_verbose = yes
# auth_debug = yes
# auth_debug_passwords = yes
# mail_debug = yes
@@ -0,0 +1,81 @@
#!/bin/bash
if [ -z "$SMTP_HOST" ]; then
echo "SMTP_HOST is required"
exit 1
fi
if [ -z "$SMTP_PORT" ]; then
echo "SMTP_PORT is required"
exit 1
fi
if [ -z "$SMTP_USER" ]; then
echo "SMTP_USER is required"
exit 1
fi
if [ -z "$SMTP_PASSWORD" ]; then
echo "SMTP_PASSWORD is required"
exit 1
fi
if [ -z "$DOVECOT_AUTH_ADDRESS" ]; then
echo "DOVECOT_AUTH_ADDRESS is required"
exit 1
fi
if [ -z "$DOVECOT_AUTH_PORT" ]; then
echo "DOVECOT_AUTH_PORT is required"
exit 1
fi
postconf -e "myhostname=$MAILNAME"
postconf -e "mydomain=$MY_DESTINATION"
postconf -e "myorigin=$MY_DESTINATION"
postconf -e "smtpd_banner = \$myhostname ESMTP \$mail_name"
# Relay configuration
postconf -e "relayhost=[$SMTP_HOST]:$SMTP_PORT"
postconf -e "smtp_sasl_auth_enable=yes"
postconf -e "smtp_sasl_password_maps=static:$SMTP_USER:$SMTP_PASSWORD"
postconf -e "smtp_sasl_security_options=noanonymous"
postconf -e "smtp_tls_security_level=encrypt"
postconf -e "smtp_use_tls=yes"
postconf -e "smtp_tls_CAfile=/etc/ssl/certs/ca-certificates.crt"
# SASL configuration
postconf -e "smtpd_sasl_type=dovecot"
postconf -e "smtpd_sasl_path=inet:$DOVECOT_AUTH_ADDRESS:$DOVECOT_AUTH_PORT"
postconf -e "smtpd_sasl_auth_enable=yes"
postconf -e "smtpd_sasl_security_options=noanonymous"
postconf -e "smtpd_recipient_restrictions=permit_sasl_authenticated, reject"
postconf -e "smtpd_relay_restrictions=permit_sasl_authenticated, reject_unauth_destination"
postconf -e "smtpd_sasl_authenticated_header=yes"
postconf -e "smtpd_tls_wrappermode=yes"
postconf -e "smtpd_sasl_local_domain=$MY_DESTINATION"
# TLS configuration
postconf -e "smtpd_tls_cert_file=/etc/letsencrypt/tls.crt"
postconf -e "smtpd_tls_key_file=/etc/letsencrypt/tls.key"
postconf -e "smtpd_tls_security_level=encrypt"
postconf -e "smtp_tls_wrappermode=yes"
# BCC configuration
postconf -e "virtual_transport=lmtp:[$DOVECOT_LMTP_ADDRESS]:$DOVECOT_LMTP_PORT"
# Other configuration
postconf -e "inet_interfaces=all"
postconf -e "inet_protocols=ipv4"
postconf -e "queue_directory=/var/spool/postfix"
postconf -e "compatibility_level=2"
# Debugging
# postconf -e "debug_peer_list=127.0.0.1"
# postconf -e "debug_peer_level=3"
echo "
smtps inet n - n - - smtpd
-o syslog_name=postfix/smtps
-o smtpd_tls_wrappermode=yes
-o smtpd_sasl_auth_enable=yes
-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
" | sudo tee -a /etc/postfix/master.cf
/usr/sbin/postfix -c /etc/postfix start
/usr/sbin/postfix -c /etc/postfix abort
exec "$POSTFIX_PATH" -c /etc/postfix -s
+2 -2
View File
@@ -1,5 +1,5 @@
require ["fileinto"];
require ["fileinto", "envelope"];
if envelope :matches "from" "*" {
if envelope :is "from" "${user}" {
fileinto "Sent";
}