Update for KMail 4.11 by Laurent Montel (montel kde.org).

Update for KMail 1.7 by Ingo Klöcker (kloecker kde.de) and Marc Mutz (mutz kde.org), Anti-Spam Wizard chapter by Andreas Gungl (a.gungl gmx.de), section about filter log by Andreas Gungl (a.gungl gmx.de) and Brad Hards (bradh frogmouth.net), additional changes by Daniel Naber (daniel.naber t-online.de).

Update for KMail 1.2 to 1.5 by Daniel Naber (daniel.naber t-online.de), OpenPGP chapter by Andreas Gungl (a.gungl gmx.de) and Ingo Klöcker (kloecker kde.de), message filter chapter by Marc Mutz (mutz kde.org), download filter chapter by Thorsten Zachmann (T.Zachmann zagge.de). Other parts have been contributed by various KMail developers.

KMail 1.0 documentation by David Rugge (davidrugge mediaone.net). Original documentation by Markus Wuebben (markus.wuebben kde.org), Robert Williams (rwilliams kde.org) (Editor).

Thanks to Michael Elkins (me cs.hmc.edu) for his excellent description of the different UNIX® mail formats in the Mutt documentation.

Thanks to the following people for providing directions on using other email client mailboxes with KMail: