server/AyaNova/util/FileUtil.cs

@@ -134,6 +134,15 @@ namespace AyaNova.Util
             {
                 if (file.CreationTimeUtc < EraseIfOlderThan)
                 {
+                    /*
+                    2022-03-08 14:42:13.8155|ERROR|JobsBiz|Server::ProcessJobsAsync unexpected error during processing|System.IO.IOException: The process cannot access the file 'c:\temp\ravendata\temp\vrimbqp2lia.pdf' because it is being used by another process.
+   at System.IO.FileSystem.DeleteFile(String fullPath)
+   at System.IO.FileInfo.Delete()
+   at AyaNova.Util.FileUtil.CleanTemporaryFilesFolder(TimeSpan age) in C:\data\code\raven\server\AyaNova\util\FileUtil.cs:line 137
+   at AyaNova.Biz.CoreJobTempFolderCleanup.DoWork() in C:\data\code\raven\server\AyaNova\generator\CoreJobTempFolderCleanup.cs:line 42
+   at AyaNova.Biz.JobsBiz.ProcessJobsAsync() in C:\data\code\raven\server\AyaNova\biz\JobsBiz.cs:line 232
+
+                    */
                     file.Delete();
                 }
             }

server/AyaNova/util/Mailer.cs

@@ -64,12 +64,18 @@ namespace AyaNova.Util
                     await client.AuthenticateAsync(smtpSettings.SmtpAccount, smtpSettings.SmtpPassword);
                     await client.SendAsync(message);
                     await client.DisconnectAsync(true);
+                    DisposeStreamsInMimeMessage(message);
                 }
+
+               
             }
             catch (Exception e)
             {
                 throw new InvalidOperationException(e.Message);
             }
         }
+
+        public static void DisposeStreamsInMimeMessage(MimeMessage msg) { foreach (var part in msg.BodyParts) (part as MimePart)?.Content?.Stream?.Dispose(); } 
+
     }
 }