diff --git a/CHANGELOG.md b/CHANGELOG.md
index a67da796a..04b19649b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - Use transaction in `update_blocked_mailinglist_contacts`. #4058
 - Remove `Sql.get_conn()` interface in favor of `.call()` and `.transaction()`. #4055
 - Updated provider database.
+- Disable DKIM-Checks again #4076
 - ability to send backup over network and QR code to setup second device #4007
 
 ### Fixes
diff --git a/deltachat-ffi/src/lib.rs b/deltachat-ffi/src/lib.rs
index a51d97367..f4923e7ed 100644
--- a/deltachat-ffi/src/lib.rs
+++ b/deltachat-ffi/src/lib.rs
@@ -1,4 +1,4 @@
-#![warn(unused, clippy::all)]
+#![warn(unused, clippy::all, clippy::missing_docs_in_private_items)]
 #![allow(
     non_camel_case_types,
     non_snake_case,
diff --git a/src/authres.rs b/src/authres.rs
index 2b2555544..eb267ddc9 100644
--- a/src/authres.rs
+++ b/src/authres.rs
@@ -644,6 +644,7 @@ Authentication-Results: dkim=";
             .unwrap();
     }
 
+    #[ignore = "Disallowing keychanges is disabled for now"]
     #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
     async fn test_handle_authres_fails() -> Result<()> {
         let mut tcm = TestContextManager::new();
@@ -821,7 +822,8 @@ Authentication-Results: dkim=";
             .insert_str(0, "Authentication-Results: example.net; dkim=fail\n");
         let rcvd = bob.recv_msg(&sent).await;
 
-        assert!(rcvd.error.unwrap().contains("DKIM failed"));
+        // Disallowing keychanges is disabled for now:
+        // assert!(rcvd.error.unwrap().contains("DKIM failed"));
         // The message info should contain a warning:
         assert!(message::get_msg_info(&bob, rcvd.id)
             .await
diff --git a/src/decrypt.rs b/src/decrypt.rs
index fa1232830..1165e3dd7 100644
--- a/src/decrypt.rs
+++ b/src/decrypt.rs
@@ -99,7 +99,8 @@ pub(crate) async fn prepare_decryption(
         from,
         autocrypt_header.as_ref(),
         message_time,
-        dkim_results.allow_keychange,
+        // Disallowing keychanges is disabled for now:
+        true, // dkim_results.allow_keychange,
     )
     .await?;
 
diff --git a/src/mimeparser.rs b/src/mimeparser.rs
index cf03a0100..0b246a257 100644
--- a/src/mimeparser.rs
+++ b/src/mimeparser.rs
@@ -342,7 +342,8 @@ impl MimeMessage {
             if let (Some(peerstate), Ok(mail)) = (&mut decryption_info.peerstate, mail) {
                 if message_time > peerstate.last_seen_autocrypt
                     && mail.ctype.mimetype != "multipart/report"
-                    && decryption_info.dkim_results.allow_keychange
+                // Disallowing keychanges is disabled for now:
+                // && decryption_info.dkim_results.allow_keychange
                 {
                     peerstate.degrade_encryption(message_time);
                 }
@@ -413,11 +414,12 @@ impl MimeMessage {
         parser.heuristically_parse_ndn(context).await;
         parser.parse_headers(context).await?;
 
-        if !parser.decryption_info.dkim_results.allow_keychange {
-            for part in parser.parts.iter_mut() {
-                part.error = Some("Seems like DKIM failed, this either is an attack or (more likely) a bug in Authentication-Results checking. Please tell us about this at https://support.delta.chat.".to_string());
-            }
-        }
+        // Disallowing keychanges is disabled for now
+        // if !decryption_info.dkim_results.allow_keychange {
+        //     for part in parser.parts.iter_mut() {
+        //         part.error = Some("Seems like DKIM failed, this either is an attack or (more likely) a bug in Authentication-Results checking. Please tell us about this at https://support.delta.chat.".to_string());
+        //     }
+        // }
 
         if parser.is_mime_modified {
             parser.decoded_data = mail_raw;
diff --git a/src/peerstate.rs b/src/peerstate.rs
index e7433f0f3..3de53ea35 100644
--- a/src/peerstate.rs
+++ b/src/peerstate.rs
@@ -688,6 +688,10 @@ pub(crate) async fn maybe_do_aeap_transition(
     Ok(())
 }
 
+/// Type of the peerstate change.
+///
+/// Changes to the peerstate are notified to the user via a message
+/// explaining the happened change.
 enum PeerstateChange {
     /// The contact's public key fingerprint changed, likely because
     /// the contact uses a new device and didn't transfer their key.