After upgrading from Confluence 3.5.5 to 5.1.5 and moving from a Windows 2003 server to a Windows 2008 server this weekend, SMTP email no longer works. I get the following error when trying to send a test message: An error has occurred with sending the test email. If your mail server requires authentication, please ensure that TLS or SSL is enabled on your server for the specific mailbox. If your mail server allows anonymous connection, please remove the username and password from the configuration and try again. com.atlassian.mail.MailException: javax.mail.AuthenticationFailedException: No authentication mechansims supported by both server and client at com.atlassian.mail.server.impl.SMTPMailServerImpl.send(SMTPMailServerImpl.java:193) [truncated] At the suggestion of our Exchange admin, I removed the username and password that had, until the upgrade, worked fine for authentication. He said anonymous would work internally. Then I got this error: An error has occurred with sending the test email: com.atlassian.mail.MailException: javax.mail.AuthenticationFailedException: failed to connect, no user name specified? at com.atlassian.mail.server.impl.SMTPMailServerImpl.send(SMTPMailServerImpl.java:193) at com.atlassian.confluence.jmx.JmxSMTPMailServer.send(JmxSMTPMailServer.java:80) at com.atlassian.confluence.admin.actions.mail.SendTestEmailAction.execute(SendTestEmailAction.java:58) [truncated] I thought McAfee might be blocking the sending, but I confirmed it was configured to warn only, not block. I would appreciate any suggestions.

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SMTP not working after upgrade

Why my confluence site space showing administrator as Former user?

Why my confluence site space showing administrator as Former user?
I just created the site space and I am the only member now but I mistyped my site space name. For changing the name I clicked Space Settings -> Overview -> Space Details

But from Space Details there is no option for rename or delete the site space. Also in the list of Administrator it showing Former User. Anyone know how is this happening? And please help me to rename my site space name or delete it?

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After discovering this issue (https://jira.atlassian.com/browse/CONF-29000), I created a new SMTP configuration from scratch and was able to get anonymous sending to work.

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Why my confluence site space showing administrator as Former user?

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