fixed delay time on dispatching late invoices job

app/Jobs/Commands/MiningTaxes/Invoices/UpdateMiningTaxesLateInvoices15th.php

@@ -93,6 +93,8 @@ class UpdateMiningTaxesLateInvoices15th implements ShouldQueue
 
                 //Send a reminder to the user through eve mail about the late invoice
                 SendEveMail::dispatch($body, $recipient, $recipientType, $subject, $sender)->delay(Carbon::now()->addSeconds($mailDelay));
+
+                $mailDelay += 20;
             }
         }
     }

app/Jobs/Commands/MiningTaxes/Invoices/UpdateMiningTaxesLateInvoices1st.php

@@ -93,6 +93,8 @@ class UpdateMiningTaxesLateInvoices1st implements ShouldQueue
 
                 //Send a reminder to the user through eve mail about the late invoice
                 SendEveMail::dispatch($body, $recipient, $recipientType, $subject, $sender)->delay(Carbon::now()->addSeconds($mailDelay));
+
+                $mailDelay += 20;
             }
         }
     }