Unable to send email using Exchange 2007 SMTP server
When trying to use Confluence to send email through Exchange 2007 SMTP server, the following appears in the
An error has occurred with sending the test email: com.atlassian.mail.MailException: javax.mail.MessagingException: Can't send command to SMTP host; nested exception is: java.net.SocketException: Software caused connection abort: socket write error at com.atlassian.mail.server.impl.SMTPMailServerImpl.send(SMTPMailServerImpl.java:191) at
Exchange server does not have relay enabled for Confluence server.
Enable relay for Confluence server in Exchange server.