Bulk mail sieve filter for ProtonMail

protonmail_sieve_bulk.txt

require ["fileinto", "imap4flags", "envelope"];

if address :is :localpart ["from", "all"] [
      "do-not-reply",
      "do_not_reply",
      "donotreply",
      "newsletter",
      "no-reply",
      "noreply",
      "notification",
      "notifications"
    ]
{
  fileinto "The Feed";
}

if header :contains ["received"] [
	"mailgun",
	"sendgrid",
	"ghost.io"
	]
{
  fileinto "The Feed";
}

elsif

header :contains [
      "Feedback-ID",
      "List-Id",
      "List-Unsubscribe",
      "X-Campaign",
      "X-campaignid",
      "X-Feedback-ID",
      "X-mail_abuse_inquiries",
      "X-maillist-guid",
      "X-maillist-id",
      "X-MC-User",
      "X-Feedback-ID",
      "X-rpcampaign",
      "X-Unsubscribe-Web"
    ] [""]
{
  fileinto "The Feed";
}