diff --git a/archive-http/src/main.rs b/archive-http/src/main.rs
index 1b4cad8..5d28609 100644
--- a/archive-http/src/main.rs
+++ b/archive-http/src/main.rs
@@ -54,14 +54,10 @@ impl<'a> Into<ListTemplate<'a>> for (&'a DbVal<MailingList>, &'a Database) {
         let posts = db.list_posts(list.pk, None).unwrap();
         ListTemplate {
             title: &list.name,
-            list: &list,
+            list,
             posts,
             months,
-            body: &list
-                .description
-                .as_ref()
-                .map(|s| s.as_str())
-                .unwrap_or_default(),
+            body: list.description.as_deref().unwrap_or_default(),
         }
     }
 }
@@ -141,7 +137,7 @@ async fn main() {
             title: "mailing list archive",
             description: "",
             lists_len: lists.len(),
-            lists: lists,
+            lists,
         };
         let res = template.render().unwrap();
         Ok(warp::reply::html(res))
diff --git a/cli/src/main.rs b/cli/src/main.rs
index 558d7a6..4c89e3b 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -664,10 +664,8 @@ fn run_app(opt: Opt) -> Result<()> {
                 hasher.finish()
             }
             let mut buf = Vec::with_capacity(4096);
-            let files = melib::backends::maildir::MaildirType::list_mail_in_maildir_fs(
-                maildir_path.clone(),
-                true,
-            )?;
+            let files =
+                melib::backends::maildir::MaildirType::list_mail_in_maildir_fs(maildir_path, true)?;
             let mut ctr = 0;
             for file in files {
                 let hash = get_file_hash(&file);
diff --git a/core/src/config.rs b/core/src/config.rs
index c1c215a..7722ba7 100644
--- a/core/src/config.rs
+++ b/core/src/config.rs
@@ -92,8 +92,7 @@ impl Configuration {
         }
         if path.starts_with("~") {
             path = Path::new(&std::env::var("HOME").context("No $HOME set.")?)
-                .join(path.strip_prefix("~").context("Internal error while getting default database path: path starts with ~ but rust couldn't strip_refix(\"~\"")?)
-                .into();
+                .join(path.strip_prefix("~").context("Internal error while getting default database path: path starts with ~ but rust couldn't strip_refix(\"~\"")?);
         }
         let config: Configuration = Self::from_file(&path)?;
         config.init_with()
@@ -110,8 +109,7 @@ impl Configuration {
             xdg::BaseDirectories::with_prefix("mailpot")?.place_config_file("config.toml")?;
         if result.starts_with("~") {
             result = Path::new(&std::env::var("HOME").context("No $HOME set.")?)
-                .join(result.strip_prefix("~").context("Internal error while getting default database path: path starts with ~ but rust couldn't strip_refix(\"~\"")?)
-                .into();
+                .join(result.strip_prefix("~").context("Internal error while getting default database path: path starts with ~ but rust couldn't strip_refix(\"~\"")?);
         }
         Ok(result)
     }
diff --git a/core/src/db/posts.rs b/core/src/db/posts.rs
index 6c7dd40..48f5842 100644
--- a/core/src/db/posts.rs
+++ b/core/src/db/posts.rs
@@ -160,21 +160,20 @@ impl Database {
                             if !recipients.is_empty() {
                                 trace!("recipients: {:?}", &recipients);
 
-                                match &configuration.send_mail {
-                                    crate::config::SendMail::Smtp(ref smtp_conf) => {
-                                        let smtp_conf = smtp_conf.clone();
-                                        use melib::futures;
-                                        use melib::smol;
-                                        use melib::smtp::*;
-                                        let mut conn = smol::future::block_on(smol::spawn(
-                                            SmtpConnection::new_connection(smtp_conf.clone()),
-                                        ))?;
-                                        futures::executor::block_on(conn.mail_transaction(
-                                            &String::from_utf8_lossy(&bytes),
-                                            Some(recipients),
-                                        ))?;
-                                    }
-                                    _ => {}
+                                if let crate::config::SendMail::Smtp(ref smtp_conf) =
+                                    &configuration.send_mail
+                                {
+                                    let smtp_conf = smtp_conf.clone();
+                                    use melib::futures;
+                                    use melib::smol;
+                                    use melib::smtp::*;
+                                    let mut conn = smol::future::block_on(smol::spawn(
+                                        SmtpConnection::new_connection(smtp_conf.clone()),
+                                    ))?;
+                                    futures::executor::block_on(conn.mail_transaction(
+                                        &String::from_utf8_lossy(&bytes),
+                                        Some(recipients),
+                                    ))?;
                                 }
                             } else {
                                 trace!("list has no recipients");
diff --git a/core/src/mail/message_filters.rs b/core/src/mail/message_filters.rs
index 59ccbd5..0c50825 100644
--- a/core/src/mail/message_filters.rs
+++ b/core/src/mail/message_filters.rs
@@ -16,6 +16,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  */
+#![allow(clippy::result_unit_err)]
 
 use super::*;
 
diff --git a/core/src/models.rs b/core/src/models.rs
index ab622c2..413a1bd 100644
--- a/core/src/models.rs
+++ b/core/src/models.rs
@@ -77,7 +77,7 @@ where
     }
 }
 
-#[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
 pub struct MailingList {
     pub pk: i64,
     pub name: String,