I'll probably wait for GoCD Developers to respond on the SMTP log. AFAIK there aren't any but there may be a flag to enable it.
Based on the stack trace you shared earlier, it looks like there was an error with the credentials that was passed to GoCD. javax.mail.AuthenticationFailedException: 451 4.3.2 Internal server error Thanks, On Thu, Aug 27, 2020 at 10:25 PM Jeroen Oortwijn < [email protected]> wrote: > I made a simple test application in C#: > namespace SMTP_send_email_test > { > class Program > { > static void Main(string[] args) > { > var mimeMessage = new MimeKit.MimeMessage(); > mimeMessage.From.Add(new MimeKit.MailboxAddress("GoCD server", > "gocd@***.**")); > mimeMessage.To.Add(new MimeKit.MailboxAddress("GoCD server", > "gocd@***.**")); > mimeMessage.Subject = "Test message"; > mimeMessage.Body = new MimeKit.TextPart() { Text = "This is a > test!" }; > > using (var smtpClient = new MailKit.Net.Smtp.SmtpClient(new > MailKit.ProtocolLogger("smtp.log"))) > { > smtpClient.Connect("mail.antagonist.nl", 465, > MailKit.Security.SecureSocketOptions.SslOnConnect); > smtpClient.Authenticate("gocd@***.**", "********"); > smtpClient.Send(mimeMessage); > smtpClient.Disconnect(true); > } > } > } > } > > And when run on the same PC as the GoCD server is running, it was able to > send the mail (from smtp.log): > Connected to smtps://mail.antagonist.nl:465/ > S: 220 smtp ESMTP ready > C: EHLO [10.0.2.15] > S: 250-smtp > S: 250 AUTH PLAIN LOGIN > C: AUTH PLAIN **************** > S: 235 2.0.0 OK > C: MAIL FROM:<gocd@***.**> > S: 250 OK > C: RCPT TO:<gocd@***.**> > S: 250 Accepted > C: DATA > S: 354 Enter message, ending with "." on a line by itself > C: From: GoCD server <gocd@***.**> > C: Date: Thu, 27 Aug 2020 18:37:21 +0200 > C: Subject: Test message > C: Message-Id: <SP9BR6GPIBU4.QRAK6FVSVTCN2@***.**> > C: To: GoCD server <gocd@***.**> > C: MIME-Version: 1.0 > C: Content-Type: text/plain; charset=utf-8 > C: > C: This is a test! > C: . > S: 250 OK id=1kBKts-00B44l-6x > C: QUIT > S: 221 s188.webhostingserver.nl closing connection > > So it would be nice if I can see the SMTP log of the GOCD server, so I can > further debug the issue. > > -- > You received this message because you are subscribed to the Google Groups > "go-cd" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/go-cd/b398df0a-1372-435a-8e07-0fce9df130a0n%40googlegroups.com > <https://groups.google.com/d/msgid/go-cd/b398df0a-1372-435a-8e07-0fce9df130a0n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Ashwanth Kumar / ashwanthkumar.in -- You received this message because you are subscribed to the Google Groups "go-cd" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/go-cd/CAD9m7CxYB2XnKGD4nVXZPMN_yLj_GqZnarTiJbgchJizSFOB9w%40mail.gmail.com.
