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via Google Groups by Abel Adane, 1 year ago
530 5.7.0 Must issue a STARTTLS command first. 191sm269492wmo.21 - gsmtp
via Google Groups by juan esteban gomez tirado, 7 months ago
530 5.7.0 Must issue a STARTTLS command first
via Google Groups by Scott Yeadon, 6 months ago
530 5.7.0 No AUTH command has been given.
via Jenkins JIRA by matiasgrodriguez, 1 year ago
530 5.7.0 Must issue a STARTTLS command first.
via Jenkins JIRA by matiasgrodriguez, 1 year ago
530 5.7.0 Must issue a STARTTLS command first.
via Oracle Community by 843830, 1 year ago
530 authentication required - for help go to http://help.yahoo.com/help/us/mail/pop/pop-11.html
com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS 
command first. 191sm269492wmo.21 - gsmtp	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)	at javax.mail.Transport.send0(Transport.java:169)	at javax.mail.Transport.send(Transport.java:98)	at org.dspace.core.Email.send(Email.java:359)	at org.dspace.app.webui.util.UIUtil.sendAlert(UIUtil.java:426)	at org.dspace.app.webui.servlet.InternalErrorServlet.doGet(InternalErrorServlet.java:54)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277)	at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAsPrivileged(Subject.java:536)	at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309)	at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:169)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:297)	at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191)	at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187)	at java.security.AccessController.doPrivileged(Native Method)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:488)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411)	at org.apache.catalina.core.ApplicationDispatcher.access$000(ApplicationDispatcher.java:64)	at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:97)	at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:85)	at java.security.AccessController.doPrivileged(Native Method)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:330)	at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:466)	at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:411)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:200)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)