home/mail: add sieve script

2 files changed, 104 insertions, 0 deletions

diff --git a/home/mail/default.nix b/home/mail/default.nix
new file mode 100644
index 0000000..38bc41e
--- /dev/null
+++ b/home/mail/default.nix
@@ -0,0 +1,51 @@
+{ config, lib, ... }:
+with lib; {
+  config = mkIf (!config.home.isolation.active) {
+    accounts.email = {
+      maildirBasePath = "mail";
+
+      accounts.local = {
+        address = "alejandro@34project.org";
+        userName = "alejandro@34project.org";
+        realName = "Alejandro Soto";
+
+        primary = true;
+
+        # ${maildirBasePath}/${maildir.path}
+        maildir.path = "";
+        folders.inbox = "";
+
+        msmtp.enable = true;
+        neomutt.enable = true;
+
+        smtp = {
+          host = "smtp.34project.org";
+
+          tls = {
+            enable = true;
+            useStartTls = true;
+          };
+        };
+      };
+    };
+
+    programs = {
+      msmtp.enable = true;
+
+      neomutt = {
+        enable = true;
+        vimKeys = true;
+
+        settings = {
+          record = "+.Sent";
+          postponed = "+.Drafts";
+
+          use_threads = "flat";
+          index_format = "'%4C %Z %<[y?%<[m?%<[d?%[%H:%M ]&%[%a %d]>&%[%b %d]>&%[%m/%y ]> %-15.15L (%?l?%4l&%4c?) %s'";
+        };
+      };
+    };
+
+    home.file.".dovecot.sieve".source = ./dovecot.sieve;
+  };
+}
diff --git a/home/mail/dovecot.sieve b/home/mail/dovecot.sieve
new file mode 100644
index 0000000..861a118
--- /dev/null
+++ b/home/mail/dovecot.sieve
@@ -0,0 +1,53 @@
+# Comando (pkgs.dovecot_pigeonhole) para filtrar mensajes existentes:
+#
+# $ sieve-filter -v -C -u alejandro@34project.org ~/.dovecot.sieve INBOX
+#
+# Ese comando es un dry-run, agregar "-W -e" para proceder. Probablemente es
+# buena idea hacer 'snapshot -r' de ~/mail antes de ejecutar eso. El primer run
+# tomó como 15 minutos para procesar todo el maildir.
+#
+# https://blog.bastelfreak.de/2020/08/dovecot-apply-sieve-filter-to-existing-emails/
+
+require ["fileinto", "mailbox"];
+
+if anyof(
+  address :is "from" ["mailer-daemon@34project.org"],
+  address :is :localpart "to" ["abuse", "security", "postmaster", "hostmaster", "sysadmin"]
+) {
+  fileinto :create "admin";
+} elsif address :is "from" "notifications@github.com" {
+  fileinto :create "github";
+} elsif address :is "from" [
+    "lwn@lwn.net",
+    "info@fsf.org"
+  ]
+{
+  fileinto :create "news";
+} elsif anyof(
+  address :is "from" [
+    "factura@factura.tigo.cr",
+    "factura_electronica@claro.cr",
+    "bcrtarjestcta@bancobcr.com"
+  ],
+
+  allof(
+    address :is "from" "bncontacto@bncr.fi.cr",
+    header :is "Subject" "Voucher Digital"
+  ),
+
+  allof(
+    address :is "from" [
+      "support-renew@gandi.net",
+      "support-es@gandi.net",
+      "support-es@support.gandi.net"
+    ],
+
+    header :contains "Subject" ["Automatic crediting", "Factura", "domain name renewed"]
+  )
+) {
+  fileinto :create "bills";
+} elsif address :is :domain ["from", "to"] ["estudiantec.cr", "itcr.ac.cr", "tec.ac.cr"] {
+  fileinto :create "tec";
+} elsif address :is :domain "from" ["turing.com", "paypal.com"] {
+  fileinto :create "spam";
+}