my_hdr X-Operating-System: `lsb_release -a | grep "^Description:" | sed "s/Description:[\t ]*//"`

# La touche h montre tous les headers
hdr_order Date From X-Sender Old-Return-Path Reply-To Mail-Followup-To To Cc Bcc
hdr_order Delivered-To Subject In-Reply-To X-Mailing-List Mailing-List
hdr_order X-Operating-System X-Mailer User-Agent X-GPG- X-PGP-
unignore  Date From X-Sender Old-Return-Path Reply-To Mail-Followup-To To Cc Bcc
unignore  Delivered-To Subject In-Reply-To X-Mailing-List Mailing-List
unignore  X-Operating-System X-Mailer User-Agent X-GPG- X-PGP-

set sort = threads                           # tri par threads
set sort = reverse-threads                   # mails les plus récents en haut
set edit_headers = yes                       # édite les headers avec le mail
set askcc = yes                              # confirmation d'envoyer
set reply_to = ask-yes                       # demande à qui répondreset copy = yes                               # copie des mails envoyés
set include                                  # inclus le texte original lors d'un Re:

set forward_format = "Fwd: %s"               # forward format

set editor = '/usr/bin/vim -c "set textwrap=72" -c "set wrap" -c "?^$"'                  # vi bien sûr

alternative_order text/html text/enriched text/plain
set beep_new = yes
set include=yes
set abort_nosubject = ask-yes                # les mails sans sujets ou non modifiés
set abort_unmodified = ask-yes               # ne partent pas sans confirmation

set header_cache =~/.mutt/cache/headers
set message_cachedir =~/.mutt/cache/bodies
set certificate_file=~/.mutt/certificates