luo jianping 2 Posted January 4, 2022 Posted January 4, 2022 I'm trying to run the auto-send mail feature locally, but following the prompts to enter the mailbox sending server and sender is experiencing the following error"Error:needEHLOandAUTHfirst". At the same time, I was wondering why I wasn't prompted for information like port and username and password..... Many Thanks Failed to send email using SMTP server 'smtp.exmail.qq.com' from 'luojianping@szhk.com.cn' to 'luojianping@szhk.com.cn'. Reason: System.Net.Mail.SmtpException: Error: need EHLO and AUTH first ! System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) System.Net.Mail.SmtpClient.Send(MailMessage message) Spotfire.Dxp.Automation.Tasks.Tasks.SendEmail.SendTheMail(TaskExecutionContext context, String smtpHost, String fromAddress, String messageBody, AttachmentsInfo attachmentsInfo)
Sanket Rajeev Naik Posted May 19, 2022 Posted May 19, 2022 Hi, The error "Error:needEHLOandAUTHfirst" is mostly seen if you are not authorized to relay through that SMTP server. Please Contact and check with your SMTP server admin for additional details.
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