3/12/2025 1:31:25 AM=>Exception(SenMail) :System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 451 4.7.0 Temporary server error. Please try again later. CPRX1 [MN0PR04CA0011.namprd04.prod.outlook.com 2025-03-12T01:31:27.573Z 08DD61048415524C] at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SAPLMailer.SAPLMailerService.SenMail(PendingMail objPendingMail) in D:\DevOpsProjects\SAPLMailer\SAPLMailer\SAPLMailerService.cs:line 524 3/12/2025 1:31:25 AM=>(SenMail)Failure sending To mail ID :envusupport@sapl.net 3/12/2025 1:31:25 AM=>(SenMail)Failure sending CC mail ID : 3/12/2025 1:31:25 AM=>(SenMail)Failure sending mail Body :ENVU ZylemMISToZyleminiPlus Data Transfer Started 3/12/2025 5:01:57 AM=>Exception(SenMail) :System.IO.FileNotFoundException: Could not find file 'D:\BAYER\Zylem\ZylemImportFolders\REPORTS\000000000195924_SALES SUMMARY FOR 01-Jan-2024 TO 31-Dec-2024 For 01-Jan-2025 To 31-Dec-202512Mar2025050047.Gif'. File name: 'D:\BAYER\Zylem\ZylemImportFolders\REPORTS\000000000195924_SALES SUMMARY FOR 01-Jan-2024 TO 31-Dec-2024 For 01-Jan-2025 To 31-Dec-202512Mar2025050047.Gif' at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at System.Net.Mail.AttachmentBase.SetContentFromFile(String fileName, String mediaType) at System.Net.Mail.Attachment..ctor(String fileName) at SAPLMailer.SAPLMailerService.SenMail(PendingMail objPendingMail) in D:\DevOpsProjects\SAPLMailer\SAPLMailer\SAPLMailerService.cs:line 428 3/12/2025 5:01:57 AM=>(SenMail)Failure sending To mail ID :omkar.thapa.ext@envu.com, 3/12/2025 5:01:57 AM=>(SenMail)Failure sending CC mail ID : 3/12/2025 5:01:57 AM=>(SenMail)Failure sending mail Body :Favourite Report