diff --git a/backend/src/confirmation.rs b/backend/src/confirmation.rs
index 992a06b..3c0914e 100644
--- a/backend/src/confirmation.rs
+++ b/backend/src/confirmation.rs
@@ -77,6 +77,8 @@ pub fn send_confirmation_email(address: &str, action: &Action, token: &str) -> R
 
     let email = log_err!(email, warn)?;
 
-    log_err!(MAILER.send(&email), warn)?;
-    Ok(())
+    match log_err!(MAILER.send(&email), warn){
+        Ok(_) => Ok(()),
+        Err(_) => Err(SpecialErrors::MailErr)?
+    }
 }
diff --git a/backend/src/errors.rs b/backend/src/errors.rs
index 284a1e8..bdce6b7 100644
--- a/backend/src/errors.rs
+++ b/backend/src/errors.rs
@@ -44,6 +44,8 @@ pub enum SpecialErrors {
     InexistingUser,
     #[error("The key is either expired or uses an obsolete cipher!")]
     InvalidCert,
+    #[error("Error while sending email")]
+    MailErr,
     #[error("Could not parse keyblock")]
     MalformedCert,
     #[error("Could not parse user email: malformed email")]
@@ -94,6 +96,7 @@ impl ResponseError for CompatErr {
                 SpecialErrors::InexistingUser => StatusCode::NOT_FOUND,
                 SpecialErrors::InvalidCert => StatusCode::BAD_REQUEST,
                 SpecialErrors::EmailMissing => StatusCode::BAD_REQUEST,
+                SpecialErrors::MailErr => StatusCode::INTERNAL_SERVER_ERROR,
                 SpecialErrors::MalformedCert => StatusCode::BAD_REQUEST,
                 SpecialErrors::MalformedEmail => StatusCode::BAD_REQUEST,
                 SpecialErrors::MissingFile => StatusCode::NOT_FOUND,