diff --git a/src/job.rs b/src/job.rs
index a295449be..cfdbcf0e5 100644
--- a/src/job.rs
+++ b/src/job.rs
@@ -15,6 +15,7 @@ use crate::chat;
 use crate::config::Config;
 use crate::configure::*;
 use crate::constants::*;
+use crate::contact::Contact;
 use crate::context::{Context, PerformJobsNeeded};
 use crate::dc_tools::*;
 use crate::error::{Error, Result};
@@ -261,6 +262,12 @@ impl Job {
             return Status::Finished(Err(format_err!("MDNs are disabled")));
         }
 
+        let contact_id = self.foreign_id;
+        let contact = job_try!(Contact::load_from_db(context, contact_id));
+        if contact.is_blocked() {
+            return Status::Finished(Err(format_err!("Contact is blocked")));
+        }
+
         let msg_id = if let Some(msg_id) = self.param.get_msg_id() {
             msg_id
         } else {
diff --git a/src/mimefactory.rs b/src/mimefactory.rs
index e4bf96d4f..bc969d10a 100644
--- a/src/mimefactory.rs
+++ b/src/mimefactory.rs
@@ -159,13 +159,10 @@ impl<'a, 'b> MimeFactory<'a, 'b> {
     }
 
     pub fn from_mdn(context: &'a Context, msg: &'b Message) -> Result<Self, Error> {
-        let contact = Contact::load_from_db(context, msg.from_id)?;
-
-        // Do not send MDNs trash etc.; chats.blocked is already checked by the caller
-        // in dc_markseen_msgs()
-        ensure!(!contact.is_blocked(), "Contact blocked");
         ensure!(msg.chat_id > DC_CHAT_ID_LAST_SPECIAL, "Invalid chat id");
 
+        let contact = Contact::load_from_db(context, msg.from_id)?;
+
         Ok(MimeFactory {
             context,
             from_addr: context