Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

crates/smtp/src/reporting/scheduler.rs

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <[email protected]>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+use super::{dmarc::DmarcReporting, tls::TlsReporting};
+use common::{BuildServer, Inner, ipc::ReportingEvent};
+use std::sync::Arc;
+use tokio::sync::mpsc;
+
+pub trait SpawnReport {
+    fn spawn(self, core: Arc<Inner>);
+}
+
+impl SpawnReport for mpsc::Receiver<ReportingEvent> {
+    fn spawn(mut self, inner: Arc<Inner>) {
+        tokio::spawn(async move {
+            while let Some(event) = self.recv().await {
+                let server = inner.build_server();
+                match event {
+                    ReportingEvent::Dmarc(event) => server.schedule_dmarc(event).await,
+                    ReportingEvent::Tls(event) => server.schedule_tls(event).await,
+                    ReportingEvent::Stop => break,
+                }
+            }
+        });
+    }
+}