diff --git a/C4/Auth_with_ldap.pm b/C4/Auth_with_ldap.pm
index 86cdb9185f..f13dbdcf8e 100644
--- a/C4/Auth_with_ldap.pm
+++ b/C4/Auth_with_ldap.pm
@@ -23,7 +23,7 @@ use Carp qw( croak );
 use C4::Context;
 use C4::Members::Messaging;
 use C4::Auth qw( checkpw_internal );
-use C4::Letters qw( GetPreparedLetter EnqueueLetter );
+use C4::Letters qw( GetPreparedLetter EnqueueLetter SendQueuedMessages );
 use Koha::Patrons;
 use Koha::AuthUtils qw( hash_password );
 use Net::LDAP;
@@ -260,6 +260,8 @@ sub checkpw_ldap {
                         message_transport_type => 'email'
                     }
                 );
+
+                C4::Letters::SendQueuedMessages( { message_id => $message_id } );
             }
         }
    } else {
diff --git a/C4/Auth_with_shibboleth.pm b/C4/Auth_with_shibboleth.pm
index 8801530857..9474fdb111 100644
--- a/C4/Auth_with_shibboleth.pm
+++ b/C4/Auth_with_shibboleth.pm
@@ -23,7 +23,7 @@ use C4::Context;
 use Koha::AuthUtils qw( get_script_name );
 use Koha::Database;
 use Koha::Patrons;
-use C4::Letters qw( GetPreparedLetter EnqueueLetter );
+use C4::Letters qw( GetPreparedLetter EnqueueLetter SendQueuedMessages );
 use C4::Members::Messaging;
 use Carp qw( carp );
 use List::MoreUtils qw( any );
@@ -169,6 +169,7 @@ sub _autocreate {
                     message_transport_type => 'email'
                 }
             );
+            C4::Letters::SendQueuedMessages( { message_id => $message_id } );
         }
     }
     return ( 1, $patron->cardnumber, $patron->userid );