Documentation for JIRA 5.0. Documentation for other versions of JIRA is available too.
The information on this page does not apply to JIRA OnDemand.
Set -Dmail.debug=true and restart JIRA.
In the logs, you should then see JavaMail initialize the first time a mail operation is run:
DEBUG: JavaMail version 1.3.2 DEBUG: java.io.FileNotFoundException: /usr/local/jdk1.6.0/jre/lib/javamail.providers (No such file or directory) DEBUG: !anyLoaded DEBUG: not loading resource: /META-INF/javamail.providers DEBUG: successfully loaded resource: /META-INF/javamail.default.providers DEBUG: Tables of loaded providers DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc]} DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]} DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map DEBUG: !anyLoaded DEBUG: not loading resource: /META-INF/javamail.address.map DEBUG: java.io.FileNotFoundException: /usr/local/jdk1.6.0/jre/lib/javamail.address.map (No such file or directory) DEBUG: getProvider() returning javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc] DEBUG POP3: connecting to host "localhost", port 110, isSSL false S: +OK Dovecot ready. C: USER pop-test S: +OK C: PASS pop-test [Filter: profiling] Using parameter [jira_profile] [Filter: profiling] defaulting to off [autostart=false] [Filter: profiling] Turning filter off [jira_profile=off] S: +OK Logged in. C: STAT S: +OK 2 1339 C: NOOP S: +OK C: TOP 1 0 S: +OK Return-path: <pop-test@atlassian.com> Envelope-to: pop-test@localhost Delivery-date: Wed, 28 Feb 2007 16:28:26 +1100 Received: from pop-test by teacup.atlassian.com with local (Exim 4.63) (envelope-from <pop-test@atlassian.com>) id 1HMHMY-0007gB-8O for pop-test@localhost; Wed, 28 Feb 2007 16:28:26 +1100 Date: Wed, 28 Feb 2007 16:28:26 +1100 From: Jeff Turner <jeff@atlassian.com> To: pop-test@localhost Subject: Testing to me - Wed Feb 28 16:28:23 EST 2007 Message-ID: <20070228052826.GA29514@atlassian.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) Lines: 0