Ну вроде усё

PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -75,6 +75,7 @@ namespace PlumbingRepairBusinessLogic.BusinessLogics
                 _logger.LogWarning("Insert operation failed");
                 return false;
             }
+
             Task.Run(() => _mailWorker.MailSendAsync(new MailSendInfoBindingModel
             {
                 MailAddress = result.ClientEmail,

PlumbingRepair/PlumbingRepairBusinessLogic/MailWorker/MailKitWorker.cs

@@ -68,6 +68,7 @@ messageInfoLogic) : base(logger, messageInfoLogic) { }
                                 SenderName = mail.Address,
                                 Subject = message.Subject,
                                 Body = message.TextBody
+
                             });
                         }
                     }