diff --git a/src/mimefactory.rs b/src/mimefactory.rs
index 234bbd89a..1cae242fa 100644
--- a/src/mimefactory.rs
+++ b/src/mimefactory.rs
@@ -1328,8 +1328,7 @@ async fn build_body_file(
             "video_{}.{}",
             chrono::Utc
                 .timestamp(msg.timestamp_sort, 0)
-                .format("%Y-%m-%d_%H-%M-%S")
-                .to_string(),
+                .format("%Y-%m-%d_%H-%M-%S"),
             &suffix
         ),
         _ => blob.as_file_name().to_string(),
diff --git a/src/smtp/send.rs b/src/smtp/send.rs
index 40b8681d9..a9b42d6ef 100644
--- a/src/smtp/send.rs
+++ b/src/smtp/send.rs
@@ -41,7 +41,7 @@ impl Smtp {
             }
         }
 
-        for recipients_chunk in recipients.chunks(chunk_size).into_iter() {
+        for recipients_chunk in recipients.chunks(chunk_size) {
             let recipients_display = recipients_chunk
                 .iter()
                 .map(|x| x.as_ref())