-unset allow_8bit # use QP or Base64 if unset.
-set allow_ansi # allow ANSI color codes in messages.
-unset arrow_cursor # "->" as cursor (faster on slow networks).
-unset ascii_chars # Use ASCII chars for threading arrows.
-unset askbcc # ask to fill out Bcc on mesg-send?
-unset askcc # ask to fill out CC on mesg-send?
-set attach_split # handle every single attachment instead of concat
-set autoedit # start editor without asking for to, subject,...
-unset auto_tag # if something is tagged, run commands on tagged msgs.
-unset beep # beep on certain user errors and other errors
-unset beep_new # beep on new mail
-set bounce_delivered # unset => remove Delivered-To: when bouncing.
-set check_new # search for new messages in maildir/MH folders.
-unset collapse_unread # don't collapse threads with unread mails
-unset confirmappend # prompt for confirm when appending message to ex. mbox
-set confirmcreate # prompt for confirm when saving to non existing mbox
-set delete_untag # untag messages when marking them for deletion
-set digest_collapse # show digest parts in 'v' submenu
-set duplicate_threads # thread messages with same message-id together
-set edit_headers # put headers in editor when composing messages
-set encode_from # use Quoted-Printable, if ^From in a mail.
-unset envelope_from # don't set envelope from via -f option of sendmail
-set fast_reply # do not ask for to, subject,... when replying.
-set fcc_attach # store attachments too when doing a Fcc
-unset fcc_clear # encrypt Fcc of PGP encrypted messages?
-unset text_flowed # generate "text/plain; format=flowed"
-set followup_to # Add Mail-Followup-To header.
-unset force_name # outgoing mail to be saved in folder of "login name"
-set forward_decode # decode messages when forwarding without MIME
-set forward_decrypt # decrypt PGP message, when mime_forward and !mime_fw_d
-unset forward_quote # quote forwarded message, if not $mime_forward
-set hdrs # nohdrs implies not to write my_hdr into mail.
-unset header # quote full header on reply
-unset help # show help in first line of the display
-set hidden_host # when set, skip the host name part of hostname
-unset hide_missing # When set, mutt will not show the presence of missing messages in the thread tree.
-set ignore_list_reply_to # ignore Reply-To pointing back to mailinglist
-unset implicit_autoview # use autoview, if a "copiousoutput" is in mailcap.
-unset keep_flagged # don't move flagged mail to $mbox via mbox-hook
-set mailcap_sanitize # remove ugly chars from mailcap % expands.
-unset maildir_trash # if set: use maildir trash flag instead of removing
-unset mark_old # mark new articles as old, when leaving mbox
-set markers # put a '+' at the beginning of wrapped lines.
-unset menu_scroll # scroll on last line of menu (set) or do a nextpage?
-unset meta_key # Don't interpret Alt-x as ESC x
-unset metoo # should we keep ourselves in group replies?
-set mh_purge # remove messages marked as deleted from MH folders.
-unset mime_forward_decode # decode messages when forwarding with MIME
-set pager_stop # Don't jump to next message at end of message.
-unset pipe_decode # Weed headers and PGP-decode message before piping
-unset pipe_split # split tagged messages (or don't) when using "|"
-#set pretty_spoolfile # print $spoolfile as "!" instead of full pathname
-set print_decode # decode before sending to $print_command
-unset print_split # if set, run the print command for every single mail
-set prompt_after # display prompt after exit from pager
-unset read_only # folders not read only
-unset reply_self # if unset, a reply to yourself implies reply to other
-set resolve # go to next undeleted message after modifying actual
-set reverse_alias # use realname from reverse alias lookup
-unset reverse_name # Set "From" to address, where replied mail was sent to
-unset reverse_realname # Do not reuse realname from original message.
-unset rfc2047_parameters # don't encode RFC2047 parameters
-unset save_address # Use full mail adress (with domain) as default folder.
-unset save_empty # remove mailbox when last message is removed.
-unset save_name # Fcc, if ~/Mail/<to> exists.
-unset sig_dashes # Don't prepend "-- \n" to the signature
-unset sig_on_top # place signature above text (if set).
-set smart_wrap # wrap long lines at word boundary.