fix: call update_connection_history for proxified connections

src/imap/client.rs

@@ -180,6 +180,7 @@ impl Client {
                     Client::connect_insecure_proxy(context, host, port, proxy_config).await?
                 }
             };
+            update_connection_history(context, "imap", host, port, host, time()).await?;
             Ok(client)
         } else {
             let load_cache = match security {

src/net.rs

@@ -47,6 +47,14 @@ pub(crate) async fn prune_connection_history(context: &Context) -> Result<()> {
     Ok(())
 }
 
+/// Update the timestamp of the last successfull connection
+/// to the given `host` and `port`
+/// with the given application protocol `alpn`.
+///
+/// `addr` is the string representation of IP address.
+/// If connection is made over a proxy which does
+/// its own DNS resolution,
+/// `addr` should be the same as `host`.
 pub(crate) async fn update_connection_history(
     context: &Context,
     alpn: &str,

src/smtp/connect.rs

@@ -168,6 +168,7 @@ async fn connect_stream(
                 connect_insecure_proxy(context, host, port, proxy_config.clone()).await?
             }
         };
+        update_connection_history(context, "smtp", host, port, host, time()).await?;
         Ok(stream)
     } else {
         let load_cache = match security {