Package: mutt Version: 1.6.1-2 In a clean chroot, I get this when I press F1: sh: 1: less: not found
As per Policy ยง11.4, programs should honour the PAGER environment variable, and if it's unset, fall back to "pager", not "less".
-- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: i386 (i686) Kernel: Linux 4.6.0-1-amd64 (SMP w/2 CPU cores) Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages mutt depends on: ii libassuan0 2.4.2-3 ii libc6 2.23-1 ii libcomerr2 1.43.1-1 ii libgnutls30 3.5.2-1 ii libgpg-error0 1.23-1 ii libgpgme11 1.6.0-3 ii libgssapi-krb5-2 1.14.2+dfsg-1 ii libidn11 1.32-3.1 ii libk5crypto3 1.14.2+dfsg-1 ii libkrb5-3 1.14.2+dfsg-1 ii libncursesw5 6.0+20160625-1 ii libnotmuch4 0.22-1 ii libsasl2-2 2.1.26.dfsg1-15 ii libtinfo5 6.0+20160625-1 ii libtokyocabinet9 1.4.48-10 Versions of packages mutt recommends: pn libsasl2-modules <none> pn locales <none> ii mime-support 3.60 -- Jakub Wilk