Hi Ivy, On Sun, 23 Oct 2011 12:47:41 -0400, Ivy Foster <joyfulgirl@archlinux.us> wrote: > On Sun, 23 Oct 2011 16:53:29 +0200, Gregor Zattler <telegraph@gmx.net> wrote: > > is it possible to limit searches to date received ranges > > instead of date (sent) ranges? > > If your mail is delivered by procmail, I know you can insert > arbitrary headers as part of the mail-processing stage, > generally using formail. Such a recipe could look something > like this: > > NOW=$(date) > :0 fhw > | /usr/bin/formail -a "X-Date-Received: " $NOW Obviously I miss something here? There are already Received:-Headers in emails which contain the date when the mail was received. How do I search on arbitrary headers? This is especially difficult since date specifications are so complex. Ciao; gregor