I think that the debian-kde is ill-configured normally a Reply should fill out the To: field of the mailer with debian-kde@lists.debian.org and not with the address of the author of the original mail. May be configuring automatically in the mailing list conf files the Reply-to: field to debian-kde@lists.debian.org would help.
best regards C. -- Christophe Prud'homme | MIT, 77, Mass Ave, Rm 3-243 | "It may be that our role on this Cambridge MA 02139 | planet is not to worship God but to Tel (Office) : (00 1) (617) 253 0229 | create him." Fax (Office) : (00 1) (617) 258 8559 | -Arthur C. Clarke http://augustine.mit.edu/~prudhomm | Following the hacker spirit