Some mail exceptions after setup

2004-11-26 18:25:18,139 WARN [atlassian.confluence.mail.Mail] Could not parse mail into a MimeMessage: Missing local name
javax.mail.internet.AddressException: Missing local name in string ``@atlassian.com''
at javax.mail.internet.InternetAddress.checkAddress(InternetAddress.java:866)
at javax.mail.internet.InternetAddress.parse(InternetAddress.java:786)
at javax.mail.internet.InternetAddress.parseHeader(InternetAddress.java:547)
at javax.mail.internet.MimeMessage.getAddressHeader(MimeMessage.java:657)
at javax.mail.internet.MimeMessage.getRecipients(MimeMessage.java:482)
at javax.mail.Message.getAllRecipients(Message.java:268)
at javax.mail.internet.MimeMessage.getAllRecipients(MimeMessage.java:497)