At least javax.mail (1.4.1) and javax.transaction (1.1) seem to be
available at
download.java.net automatically:
[http://download.java.net/maven/1/javax.mail/]
[http://download.java.net/maven/1/javax.transaction/]
For more information:
http://code.google.com/p/ivyroundup/wiki/ManuallyDownloadedSoftware