Spam filter performance and accuracy improvements (part 5)

crates/smtp/src/inbound/spam.rs

@@ -87,6 +87,7 @@ impl<T: SessionStream> Session<T> {
                 .map(|r| r.address_lcase.as_str())
                 .collect(),
             is_test: false,
+            is_train: false,
         }
     }
 }

crates/smtp/src/queue/spool.rs

@@ -28,7 +28,7 @@ use store::write::{
     QueueClass, ValueClass, now,
 };
 use store::{Deserialize, IterateParams, Serialize, U64_LEN, ValueKey};
-use trc::{AddContext, ServerEvent};
+use trc::{AddContext, ServerEvent, SpamEvent};
 use types::blob_hash::BlobHash;
 use utils::DomainPart;
 
@@ -457,6 +457,13 @@ impl MessageWrapper {
                     },
                     vec![1, 1],
                 );
+
+            trc::event!(
+                Spam(SpamEvent::TrainSampleAdded),
+                Details = "spam",
+                Expires = trc::Value::Timestamp(hold_period),
+                SpanId = self.span_id,
+            );
         }
 
         batch