Notifications / mailing lists / bulk email sieve code (for e.g. Fastmail et al.)

sieve.sieve

if
  # Tests for "Mailing Lists"
  anyof(
    header :is "X-ME-VSCategory" "community:mailing-list",
    header :contains "X-Mailer" "Sympa",
    exists [
      "List-Id",
      "List-Help",
      "List-Subscribe",
      "List-Unsubscribe",
      "List-Post",
      "List-Owner",
      "List-Archive"
    ],
    allof(
      not header :contains ["From", "Reply-To", "Received-From", "Return-Path"] [
        "github.com", # github.com notifications use "list-archive" et al.
        "substack.com" # substack notifications use "list-archive" et al.
      ],
      header :contains [
        "List-Archive",
        "List-Post",
        "X-no-archive"
      ] ""
    )
  )
{
  fileinto "INBOX.Mailing Lists";
}
elsif
  # these are DEFINITELY notifications
  allof(
    anyof(
      header :contains "X-ME-CMCategory" "notification",
      header :contains "X-ME-VSCategory" "transactional"
    ),
    # unless they're from substack, which does "transactional" for some reason
    not header :contains ["From", "Reply-To", "Received-From", "Return-Path"] [
      "substack.com"
    ]
  )
{
  fileinto "INBOX.Notifications";
}
elsif # Tests for "Newsletters"
  allof(
    anyof(
      exists "X-Mailgun-Batch-Id",
      header :is "X-Mailgun-Tag" "bulk-email",
      exists "x-bulkmail",
      exists "X-EmailOctopus-List-Id",
      header :is "Precedence" "bulk",
      header :contains "List-Unsubscribe" "convertkit",
      allof(
        header :is "precedence" "list",
        header :contains [
          "x-abuse-info",
          "x-complaints-to"
        ] ""
      ),
      allof(
        exists [
          "List-Id",
          "List-Unsubscribe"
        ],
        header :contains ["From", "Reply-To", "Received-From", "Return-Path"] [
          "buttondown.email",
          "tinyletterapp.com"
        ]
      ),
      allof(
        header :contains "X-ME-VSCategory" "commercial:mce",
        anyof(
          allof(
            header :contains "X-ME-CMCategory" "promotion",
            anyof(
              # exists "List-Unsubscribe", # too greedy
              exists [
                "List-Unsubscribe",
                "X-CSA-Complaints"
              ]
            )
          ),
          header :contains ["From", "Reply-To", "Received-From", "Return-Path"] "ghost.io",
          # header :contains [ # too greedy
          #   "list-unsubscribe",
          #   "list-id"
          # ] "",
          exists [
            "List-Unsubscribe",
            "List-Id",
            "X-CSA-Complaints"
          ],
          exists [
            "list-unsubscribe",
            "X-Report-Abuse"
          ]
        )
      ),
      header :contains [
        "X-Campaign",
        "X-campaignid",
        "X-Feedback-ID",
        "X-maillist-guid",
        "X-maillist-id",
        "X-MC-User",
        "X-Feedback-ID",
        "X-Unsubscribe-Web",
        "X-rpcampaign",
        "List-Unsubscribe-Post"
      ] "",
      allof(
        exists [
          "List-ID",
          "List-Unsubscribe"
        ],
        header :contains [
          "X-CSA-Complaints",
          "X-Direct-Mail-Bounce",
          "X-Direct-Mail-Abuse"
        ] ""
      )
    )
  )
{
  fileinto "INBOX.Newsletters";
}
elsif
  # Tests for Notifications
  anyof(
    allof(
      header :contains "X-ME-VSCategory" "community:social",
      header :value "gt" :comparator "i;ascii-numeric" "X-ME-VSScore" "9"
    ),
    allof(
      # usually list-unsubscribe is for mailing lists, but we've
      # already done our filter for that
      header :contains "X-ME-VSCategory" "mce",
      exists "list-unsubscribe"
    ),
    allof(
      header :contains "X-ME-CMCategory" "promotion",
      header :contains "X-ME-VSCategory" "clean"
    ),
    header :contains "X-ME-VSCategory" "commercial:mce",
    exists "X-Auto-Response-Suppress", # Xfinity
    exists "X-eBay-MailTracker",
    header :contains ["Return-Path", "Received"] [
      "ddsservicebureau",
      "opensolutionsasp",
      "messageprovider.com",
      "billsupport.com",
      "edelivery@ms-bounce.broadridge.com"
    ],
    header :contains "X-Mailer" [
      "MIME-tools",
      "PHPMailer"
    ],
    header :contains "X-Spam-source" "reflexion.net",
    header :contains [
      "List-Unsubscribe",
      "Auto-Submitted",
      "List-ID",
      "X-CSA-Complaints",
      "X-Complaints-To"
    ] "",
    header :contains ["From", "Return-Path", "Received", "Reply-To"] [
      "amazonses.com",
      "att-mail.com",
      "customercenter.net",
      "customeriomail.com",
      "diginsite.net",
      "emailnotify.net",
      "exacttarget.com",
      "lithium.com",
      "mailgun",
      "mcdlv.net",
      "pphosted.com",
      "reflexion.net",
      "rsgsv.net",
      "sac.fedex.com",
      "salesforce.com",
      "sendgrid.net",
      "service@paypal.com",
      "sparkpost",
      "wordfly.com"
    ],
    address :is :localpart ["from", "all"] [
      "do-not-reply",
      "do_not_reply",
      "DoNotRespond",
      "donotreply",
      "no-reply",
      "noreply",
      "donotrespond",
      "notification",
      "notifications"
    ]
  )
{
  fileinto "INBOX.Notifications";
}