Hi!
I configured mail in the Mail Accounts section, test mail delivery is successful.
But when someone placing order, i've got an error.
In Message Queue, all mails using account that was tested before.
Error sending e-mail. Mailbox unavailable. The server response was: 5.1.8 Only registrated user are allowed to use this system {mp-us009}
System.Net.Mail.SmtpException: Mailbox unavailable. The server response was: 5.1.8 Only registrated user are allowed to use this system {mp-us009} at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, String from) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at Nop.Services.Messages.EmailSender.SendEmail(EmailAccount emailAccount, String subject, String body, MailAddress from, MailAddress to, IEnumerable`1 bcc, IEnumerable`1 cc) in C:\Users\Surikus\Desktop\ancars.lv2\Libraries\Nop.Services\Messages\EmailSender.cs:line 78 at Nop.Services.Messages.EmailSender.SendEmail(EmailAccount emailAccount, String subject, String body, String fromAddress, String fromName, String toAddress, String toName, IEnumerable`1 bcc, IEnumerable`1 cc) in C:\Users\Surikus\Desktop\ancars.lv2\Libraries\Nop.Services\Messages\EmailSender.cs:line 28 at Nop.Services.Messages.QueuedMessagesSendTask.Execute(XmlNode node) in C:\Users\Surikus\Desktop\ancars.lv2\Libraries\Nop.Services\Messages\QueuedMessagesSendTask.cs:line 45