This article is a sequel to 'Use IMAP with Perl, Part 1' and
discusses the ifrom.pl tool again. Please read the introductory
material in the previous article to understand the specific
mechanics of ifrom.ipl before tackling this article. The new topics
in this article include the Maildir mail storage format and
tunneling (also known as port forwarding).
"The extensions to ifrom.pl have met my own needs as an IMAP
user, so I hope they prove useful to you as well..."