4 files changed, 242 insertions, 0 deletions
diff --git a/services/docker/mail-server/Dockerfile b/services/docker/mail-server/Dockerfile
new file mode 100644
index 0000000..7a3be9a
--- /dev/null
+++ b/services/docker/mail-server/Dockerfile
@@ -0,0 +1,11 @@
+FROM denoland/deno AS deno-build
+COPY --from=deno . /workdir/
+WORKDIR /workdir
+RUN deno install
+RUN deno task compile:mail-relay
+
+FROM dovecot/dovecot:latest-root
+COPY --from=deno-build /workdir/mail-relay/out/crupest-relay /app/
+ADD dovecot.conf /etc/dovecot/dovecot.conf
+ADD app/* /app/
+CMD ["/app/main.bash"]
diff --git a/services/docker/mail-server/app/main.bash b/services/docker/mail-server/app/main.bash
new file mode 100755
index 0000000..70c9b75
--- /dev/null
+++ b/services/docker/mail-server/app/main.bash
@@ -0,0 +1,11 @@
+#!/usr/bin/bash
+
+set -e -o pipefail
+
+die() {
+  echo "$@" >&2
+  exit 1
+}
+
+/app/crupest-relay serve --real &
+/dovecot/sbin/dovecot -F
diff --git a/services/docker/mail-server/aws-lambda.js b/services/docker/mail-server/aws-lambda.js
new file mode 100644
index 0000000..d240c1a
--- /dev/null
+++ b/services/docker/mail-server/aws-lambda.js
@@ -0,0 +1,23 @@
+export const handler = async (event, context, callback) => {
+  const sesNotification = event.Records[0].ses;
+  console.log("SES Notification:\n", JSON.stringify(sesNotification, null, 2));
+
+  const res = await fetch(
+    `https://mail.crupest.life/${process.env.CRUPEST_MAIL_SERVER_AWS_INBOUND_PATH}`,
+    {
+      method: "POST",
+      headers: {
+        "content-type": "application/json",
+        "Authorization": process.env.CRUPEST_MAIL_SERVER_AWS_INBOUND_KEY,
+      },
+      body: JSON.stringify({
+        key: sesNotification.mail.messageId,
+        recipients: sesNotification.receipt.recipients,
+      }),
+    },
+  );
+  console.log(res);
+  console.log(res.text());
+
+  callback(null, { "disposition": "CONTINUE" });
+};
diff --git a/services/docker/mail-server/dovecot.conf b/services/docker/mail-server/dovecot.conf
new file mode 100644
index 0000000..5d2eaf4
--- /dev/null
+++ b/services/docker/mail-server/dovecot.conf
@@ -0,0 +1,197 @@
+dovecot_config_version = 2.4.1
+dovecot_storage_version = 2.4.0
+
+base_dir = /run/dovecot
+state_dir = /run/dovecot
+log_path = /dev/stdout
+
+protocols = imap submission lmtp sieve
+sendmail_path = /app/out/crupest-relay sendmail
+submission_relay_host = 127.0.0.1
+submission_relay_port = 2346
+submission_relay_trusted = yes
+
+mail_driver = maildir
+mail_home = /data/vmail/%{user | domain}/%{user | username}
+mail_path = ~/mail
+mail_log_events = delete undelete expunge save copy mailbox_create mailbox_delete mailbox_rename flag_change
+
+# Setup default mailboxes for inbox namespace
+@mailbox_defaults = english
+
+namespace inbox {
+  mailbox Archive {
+   special_use = "\\Archive"
+  }
+}
+
+mail_plugins {
+  fts = yes
+  fts_flatcurve = yes
+  mail_log = yes
+  notify = yes
+}
+
+fts_autoindex = yes
+fts_autoindex_max_recent_msgs = 999
+fts_search_add_missing = yes
+language_filters = normalizer-icu snowball stopwords
+
+language_tokenizers = generic email-address
+language_tokenizer_generic_algorithm = simple
+
+language en {
+  default = yes
+  filters = lowercase snowball english-possessive stopwords
+}
+
+fts flatcurve {
+  substring_search = yes
+}
+
+auth_mechanisms = plain login
+
+passdb passwd-file {
+  passwd_file_path = /data/userdb
+  default_password_scheme = SHA512-CRYPT
+}
+
+userdb passwd-file {
+  passwd_file_path = /data/userdb
+  fields {
+    uid:default = vmail
+    gid:default = vmail
+    home:default = /data/vmail/%{user | domain}/%{user | username}
+  }
+}
+
+ssl = yes
+ssl_server {
+  cert_file = /etc/dovecot/ssl/tls.crt
+  key_file = /etc/dovecot/ssl/tls.key
+}
+
+protocol imap {
+  mail_plugins {
+    imap_sieve = yes
+    imap_filter_sieve = yes
+  }
+}
+
+protocol lmtp {
+  mail_plugins {
+    sieve = yes
+  }
+}
+
+protocol lda {
+  mail_plugins {
+    sieve = yes
+  }
+}
+
+service imap-login {
+  process_min_avail = 1
+  client_limit = 100
+}
+
+service pop3-login {
+  process_min_avail = 1
+  client_limit = 100
+}
+
+service submission-login {
+  process_min_avail = 1
+  client_limit = 100
+
+  inet_listener submissions {
+    port = 465
+    ssl = yes
+  }
+}
+
+service managesieve-login {
+  process_min_avail = 1
+  client_limit = 100
+}
+
+sieve_plugins = sieve_imapsieve sieve_extprograms
+
+event_exporter log {
+   format = json
+   time_format = rfc3339
+}
+
+# Add default backend metrics
+@metric_defaults = backend
+
+# Log auth failures
+metric auth_failures {
+  filter = event=auth_request_finished AND NOT success=yes
+  exporter = log
+}
+
+metric imap_command {
+  filter = event=imap_command_finished
+  group_by cmd_name {
+    method discrete {
+    }
+  }
+  group_by tagged_reply_state {
+    method discrete {
+    }
+  }
+}
+
+metric smtp_command {
+  filter = event=smtp_server_command_finished and protocol=submission
+  group_by cmd_name {
+     method discrete {
+    }
+  }
+  group_by status_code {
+     method discrete {
+    }
+  }
+  group_by duration {
+     method exponential {
+       base = 10
+       min_magnitude = 1
+       max_magnitude = 5
+    }
+  }
+}
+
+metric lmtp_command {
+  filter = event=smtp_server_command_finished and protocol=lmtp
+  group_by cmd_name {
+     method discrete {
+    }
+  }
+  group_by status_code {
+     method discrete {
+    }
+  }
+  group_by duration {
+     method exponential {
+       base = 10
+       min_magnitude = 1
+       max_magnitude = 5
+    }
+  }
+}
+
+# Add duration metrics for deliveries
+metric mail_deliveries {
+  filter = event=mail_delivery_finished
+  group_by duration {
+     method exponential {
+       base = 10
+       min_magnitude = 1
+       max_magnitude = 5
+     }
+  }
+}
+
+!include_try vendor.d/*.conf
+!include_try conf.d/*.conf