mutt

set send_charset="us-ascii:iso-2022-jp"
set thorough_search=yes
set move=no

set sidebar_width=24
set sidebar_visible=yes
set sidebar_delim='|'
color sidebar_new yellow default
# ctrl-o to open selected folder
bind index \CP sidebar-prev
bind index \CN sidebar-next
bind index \CO sidebar-open
bind pager \CP sidebar-prev
bind pager \CN sidebar-next
bind pager \CO sidebar-open

# MTA
set sendmail="/usr/local/postfix/sbin/sendmail"
set envelope_from=yes

# User information
set realname="User Name"
set from="user@domain.com"
set hostname="mail.domain.com"
set signature="$HOME/Maildir/signature.txt"
set mailcap_path="$HOME/.mailcap:/etc/mailcap"
auto_view text/enriched text/html

# Mailbox type and Folders
set mbox_type=Maildir
set folder="~user/Maildir"
set mbox="~user/Maildir"
set spoolfile="~user/Maildir/"
mailboxes "+.business" "+.domain" "+.doma" "+.etc" "+.Sent"
set record="+.Sent"
set postponed="+.Drafts"
set beep_new=yes
set sort=reverse-date
set mail_check=10
set timeout=10

# Editor
set edit_headers=yes
set fast_reply=yes
set include=yes

# Pager
set pager_index_lines=10
set tilde=yes

# Formats
set attribution="On %d,\n%f wrote:"             # 返信ヘッダの書式
set date_format="!%a, %d %b %Y at %H:%M:%S %Z"  # 日時の書式
set index_format="%4C %Z %{%b %d} %-15.15L %s"  # メッセージ一覧表示の書式
set folder_format="%2C %t %N %8s %d %f"         # ディレクトリ一覧表示の書式
set forward_format="Fwd: %s"                    # 転送メールのタイトルの書式

# Header
ignore *
unignore date from to cc subject
hdr_order date subject from to cc

# Colors
color   normal      green       default

# Header
color   hdrdefault  cyan        default
color   header      brightcyan  default "^from:"
color   header      brightcyan  default "^subject:"

# URI like HTTP
color   body        cyan        default "[a-z]+://[-A-Za-z_0-9\\,./\?&=]+"
mono    body        underline           "[a-z]+://[-A-Za-z_0-9\\,./\?&=]+"

# E-mail address
color   body        cyan        default "[-a-z_0-9\\.]+@[-a-z_0-9\\.]+"
mono    body        underline           "[-a-z_0-9\\.]+@[-a-z_0-9\\.]+"

# IP address
color   body        cyan        default "([0-9]{1,3}\\.){3}[0-9]{1,3}"
mono    body        underline           "([0-9]{1,3}\\.){3}[0-9]{1,3}"

# Quoted body
color quoted0     blue    default
color quoted1     green   default
color signature   blue    default
color tilde       blue    default
color underline   cyan        default
color error       brightred   default
mono  error       bold
color indicator   brightgreen black
color attachment  green       default
color quoted brightblue default
mono  quoted bold
color indicator brightyellow red
color status yellow blue
color tree magenta default
color message brightcyan default
color markers brightcyan default
color attachment brightmagenta default
color search default green      # how to hilite search patterns in the pager
color header brightred default "^(From|Subject):"
color body magenta default "(ftp|http|https)://[^ ]+"   # point out URLs
color body magenta default [-a-z_0-9.]+@[-a-z_0-9.]+    # e-mail addresses

text/enriched; nkf -e %s | richtext -t; copiousoutput
text/html; w3m -dump -T %t %s; copiousoutput