>From the logs looks like the GoCD server is not able to connect to the SMTP server that's configured. May be check the firewall settings?
The relevant section is the SocketTimeoutException from the logs. On Thu, 27 Aug, 2020, 20:35 Jeroen Oortwijn, < [email protected]> wrote: > Hello, > > I'm trying to set up the Email server on the GoCD server ( > http://localhost:8153/go/admin/config/server#!email-server), but I can't > get it to work. > > When I fill in all the details and click the Send Test Email button, after > a while the following message appears: > There was an unknown error performing the operation. Possible reason (Not > Acceptable) > > In the server log (go-server.log) appears the following: > 2020-08-27 16:51:18,460 ERROR [Thread-5048] GoSmtpMailSender:56 - Sending > failed for email [Go Email Notification] to [gocd@***.**] > javax.mail.MessagingException: Exception reading response > at > com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:2460) > at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2187) > at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:740) > at javax.mail.Service.connect(Service.java:366) > at > com.thoughtworks.go.config.GoSmtpMailSender.send(GoSmtpMailSender.java:51) > at > com.thoughtworks.go.config.BackgroundMailSender.lambda$send$0(BackgroundMailSender.java:48) > at java.base/java.lang.Thread.run(Unknown Source) > Caused by: java.net.SocketTimeoutException: Read timed out > at java.base/sun.nio.ch.NioSocketImpl.timedRead(Unknown Source) > at java.base/sun.nio.ch.NioSocketImpl.implRead(Unknown Source) > at java.base/sun.nio.ch.NioSocketImpl.read(Unknown Source) > at java.base/sun.nio.ch.NioSocketImpl$1.read(Unknown Source) > at java.base/java.net.Socket$SocketInputStream.read(Unknown Source) > at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:126) > at java.base/java.io.BufferedInputStream.fill(Unknown Source) > at java.base/java.io.BufferedInputStream.read(Unknown Source) > at com.sun.mail.util.LineInputStream.readLine(LineInputStream.java:106) > at > com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:2440) > ... 6 common frames omitted > > Above messages aren't really helpful in debugging the problem, so I want > to view the SMTP log, but couldn't find it. > Is there a way to enable the SMTP log and where is it then located? > > Kind regards, > > Jeroen Oortwijn > > -- > 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/83f969d6-72b9-4dbd-a46f-55ff0620041en%40googlegroups.com > <https://groups.google.com/d/msgid/go-cd/83f969d6-72b9-4dbd-a46f-55ff0620041en%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAD9m7CzR7FqiWaTMCELE6R5p9QjUyK0u8iLXr%3D3-%2BzKV_0BybQ%40mail.gmail.com.
