Does your mutt -v show +COMPRESSED? John On [2006-12-19 at 07:15am] Ismael Valladolid Torres <ivalladolidt@xxxxxxxx> wrote: > I am running Mutt 1.4.2.1i on CYGWIN_NT-5.0 1.5.22. I assumed mutt to > be capable to open an read mail in a gzipped mailbox. However when I > try to I get: > > /home/ivt351/Mail/y2006_archive.gz is not a mailbox. > > Running mutt -v I see no reference to gzip support being compiled in > or out.