1 files changed, 149 insertions, 0 deletions

diff --git a/dovecot/sieve b/dovecot/sieve
new file mode 100644
index 0000000..b11f1cc
--- /dev/null
+++ b/dovecot/sieve
@@ -0,0 +1,149 @@
+# Sieve filter
+
+# Declare the extensions used by this script.
+require ["fileinto", "reject", "variables", "editheader"];
+
+# If transport is not encrypted, add warning emoji at the beginning of the subject
+if header :contains "Received" ["by topo.tw (Postfix) with ESMTP "]
+{
+  # Match the entire subject
+  if header :matches "Subject" "*" {
+    # Stored in a variable:
+    set "subject" "${1}";
+  }
+  deleteheader "Subject";
+  addheader :last "Subject" "⚠ ${subject}";
+}
+
+# Edit header for test
+if header :contains "From" ["typebrook@gmail.com"] {
+  # Match the entire subject ...
+  if header :matches "Subject" "*" {
+      # ... to get it in a match group that can then be stored in a variable:
+      set "subject" "${1}";
+  }
+  deleteheader "Subject";
+  addheader :last "Subject" "Warning: ${subject}";
+}
+
+# CAUTION!!
+# Put this block at the top so unwanted mail are discarded
+# Message which will trigger commands
+# Discard them so we only have message in Sent
+if allof (
+    address :is ["To"] "mastodon@topo.tw",
+    header :matches "X-Original-To" "mastodon@topo.tw"
+) {
+  discard;
+}
+
+elsif header :contains "From" [
+  "HANCHOR",
+  "info@members.netflix.com",
+  "Amazon Web Services",
+  "no-reply@wamazing.jp",
+  "info@join.netflix.com",
+  "noreply@steampowered.com"
+] {
+  fileinto "promotion";
+}
+
+elsif header :matches :comparator "i;ascii-casemap" "Subject" [
+  "*login*",
+  "*verify*",
+  "*sign-in*",
+  "*登入*",
+  "*密碼*",
+  "*安全性警示*",
+  "*new IP Address*"
+] {
+  fileinto "login";
+}
+
+elsif header :matches :comparator "i;ascii-casemap" "Subject" [
+  "*系統公告*"
+] {
+  fileinto "service";
+}
+
+elsif header :contains :comparator "i;ascii-casemap" "Subject" [
+  "帳單",
+  "付款",
+  "繳款",
+  "扣款",
+  "交易",
+  "費用",
+  "eGUI",
+  "Invoice",
+  "發票",
+  "Receipt",
+  "Billing",
+  "Expense"
+] {
+  fileinto "pay";
+}
+
+elsif header :matches :comparator "i;ascii-casemap" "Subject" ["*永豐*"] {
+  fileinto "STOCK";
+}
+
+elsif address :is ["From"] "no-reply@hackmd.io" {
+  fileinto "update";
+}
+
+elsif address :is ["From"] "notifications@github.com" {
+  fileinto "github";
+}
+
+elsif address :contains ["To", "Cc"] "arch-general@lists.archlinux.org" {
+  fileinto "mailing_list.arch-general";
+}
+
+elsif address :is ["From", "To", "Cc"] "mutt-users@mutt.org" {
+  fileinto "mailing_list.mutt-users";
+}
+
+elsif address :is ["From", "To", "Cc"] "help-bash@gnu.org" {
+  fileinto "mailing_list.bash";
+}
+
+elsif header :matches "Sender" "*~rjarry/aerc-discuss@lists.sr.ht*" {
+  fileinto "mailing_list.aerc";
+}
+
+elsif header :matches "Chat-Version" ["*"] {
+  fileinto "DeltaChat";
+}
+
+elsif header :matches "X-Original-To" ["cybersec@topo.tw"] {
+  fileinto "cybersec";
+}
+
+elsif address :is ["To"] "lay9412206@gmail.com" {
+  fileinto "hometeach";
+}
+
+# Spam Rule:
+# Message does not contain my address in "To", "CC" or "BCC"
+elsif anyof (
+    not header :contains ["To", "Cc", "Bcc", "X-Original-To"] "topo.tw",
+    header :contains "X-Original-To" "eocuk17"
+) {
+  fileinto "spam";
+}
+# Or fake header in "From"
+elsif allof (
+    header :matches "From" "*@topo.tw*",
+    not header :contains "Received" [
+      "from topo.tw",
+      "from PC",
+      "from [127.0.0.1]",
+      "by topo.tw"
+    ]
+) {
+  fileinto "spam";
+}
+
+else {
+  fileinto "INBOX";
+}