+ 4.14.2 Authentication 61
+ 4.15 NNTP Support (OPTIONAL) ........................................ 62
+ 4.15.1 Again: Scoring 62
+ 4.16 Managing multiple IMAP/POP/NNTP accounts (OPTIONAL) ............ 63
+ 4.17 Start a WWW Browser on URLs (EXTERNAL) ......................... 63
+ 4.18 Compressed folders Support (OPTIONAL) .......................... 64
+ 4.18.1 Open a compressed mailbox for reading 64
+ 4.18.2 Write a compressed mailbox 65
+ 4.18.3 Append a message to a compressed mailbox 65
+ 4.18.4 Encrypted folders 66
+
+ 5. Mutt-ng's MIME Support ............................................... 66
+ 5.1 Using MIME in Mutt ............................................. 67
+ 5.1.1 Viewing MIME messages in the pager 67
+ 5.1.2 The Attachment Menu 67
+ 5.1.3 The Compose Menu 67
+ 5.2 MIME Type configuration with mime.types ........................ 68
+ 5.3 MIME Viewer configuration with mailcap ......................... 69
+ 5.3.1 The Basics of the mailcap file 69
+ 5.3.2 Secure use of mailcap 70
+ 5.3.3 Advanced mailcap Usage 71
+ 5.3.4 Example mailcap files 74
+ 5.4 MIME Autoview .................................................. 75
+ 5.5 MIME Multipart/Alternative ..................................... 76
+ 5.6 MIME Lookup .................................................... 76
+
+ 6. Reference ............................................................ 77
+ 6.1 Command line options ........................................... 77
+ 6.2 Patterns ....................................................... 78
+ 6.3 Configuration Commands ......................................... 79
+ 6.4 Configuration variables .......................................... 81
+ 6.4.1 abort_nosubject 81
+ 6.4.2 abort_unmodified 81
+ 6.4.3 alias_file 81
+ 6.4.4 alias_format 81
+ 6.4.5 allow_8bit 82
+ 6.4.6 allow_ansi 82
+ 6.4.7 arrow_cursor 82
+ 6.4.8 ascii_chars 83
+ 6.4.9 askbcc 83
+ 6.4.10 askcc 83
+ 6.4.11 assumed_charset 83
+ 6.4.12 attach_format 83
+ 6.4.13 attach_sep 84
+ 6.4.14 attach_split 85
+ 6.4.15 attribution 85
+ 6.4.16 auto_tag 85
+ 6.4.17 autoedit 85
+ 6.4.18 beep 85
+ 6.4.19 beep_new 86
+ 6.4.20 bounce 86
+ 6.4.21 bounce_delivered 86
+ 6.4.22 braille_friendly 86
+
+ iii
+
+ 6.4.23 certificate_file 86
+ 6.4.24 charset 87
+ 6.4.25 check_new 87
+ 6.4.26 collapse_unread 87
+ 6.4.27 compose_format 87
+ 6.4.28 config_charset 88
+ 6.4.29 confirmappend 88
+ 6.4.30 confirmcreate 88
+ 6.4.31 connect_timeout 88
+ 6.4.32 content_type 88
+ 6.4.33 copy 89
+ 6.4.34 crypt_autoencrypt 89
+ 6.4.35 crypt_autopgp 89
+ 6.4.36 crypt_autosign 89
+ 6.4.37 crypt_autosmime 90
+ 6.4.38 crypt_replyencrypt 90
+ 6.4.39 crypt_replysign 90
+ 6.4.40 crypt_replysignencrypted 90
+ 6.4.41 crypt_timestamp 90
+ 6.4.42 crypt_use_gpgme 91
+ 6.4.43 crypt_verify_sig 91
+ 6.4.44 date_format 91
+ 6.4.45 default_hook 91
+ 6.4.46 delete 92
+ 6.4.47 delete_untag 92
+ 6.4.48 digest_collapse 92
+ 6.4.49 display_filter 92
+ 6.4.50 dotlock_program 92
+ 6.4.51 dsn_notify 93
+ 6.4.52 dsn_return 93
+ 6.4.53 duplicate_threads 93
+ 6.4.54 edit_headers 93
+ 6.4.55 editor 93
+ 6.4.56 encode_from 94
+ 6.4.57 entropy_file 94
+ 6.4.58 envelope_from 94
+ 6.4.59 escape 94
+ 6.4.60 fast_reply 94
+ 6.4.61 fcc_attach 95
+ 6.4.62 fcc_clear 95
+ 6.4.63 file_charset 95
+ 6.4.64 folder 95
+ 6.4.65 folder_format 96
+ 6.4.66 followup_to 96
+ 6.4.67 force_buffy_check 97
+ 6.4.68 force_name 97
+ 6.4.69 forward_decode 97
+ 6.4.70 forward_decrypt 97
+ 6.4.71 forward_edit 98
+ 6.4.72 forward_format 98
+ 6.4.73 forward_quote 98
+ 6.4.74 from 98
+ 6.4.75 gecos_mask 98
+
+ iv
+
+ 6.4.76 hdrs 99
+ 6.4.77 header 99
+ 6.4.78 header_cache 99
+ 6.4.79 header_cache_compress 100
+ 6.4.80 help 100
+ 6.4.81 hidden_host 100
+ 6.4.82 hide_limited 100
+ 6.4.83 hide_missing 100
+ 6.4.84 hide_thread_subject 101
+ 6.4.85 hide_top_limited 101
+ 6.4.86 hide_top_missing 101
+ 6.4.87 history 101
+ 6.4.88 honor_followup_to 101
+ 6.4.89 hostname 101
+ 6.4.90 ignore_list_reply_to 102
+ 6.4.91 imap_authenticators 102
+ 6.4.92 imap_check_subscribed 102
+ 6.4.93 imap_delim_chars 102
+ 6.4.94 imap_headers 103
+ 6.4.95 imap_home_namespace 103
+ 6.4.96 imap_keepalive 103
+ 6.4.97 imap_list_subscribed 104
+ 6.4.98 imap_login 104
+ 6.4.99 imap_mail_check 104
+ 6.4.100 imap_pass 104
+ 6.4.101 imap_passive 105
+ 6.4.102 imap_peek 105
+ 6.4.103 imap_reconnect 105
+ 6.4.104 imap_servernoise 105
+ 6.4.105 imap_user 105
+ 6.4.106 implicit_autoview 106
+ 6.4.107 include 106
+ 6.4.108 include_onlyfirst 106
+ 6.4.109 indent_string 106
+ 6.4.110 index_format 106
+ 6.4.111 ispell 109
+ 6.4.112 keep_flagged 109
+ 6.4.113 list_reply 109
+ 6.4.114 locale 110
+ 6.4.115 mail_check 110
+ 6.4.116 mailcap_path 110
+ 6.4.117 mailcap_sanitize 110
+ 6.4.118 maildir_header_cache_verify 110
+ 6.4.119 maildir_trash 111
+ 6.4.120 mark_old 111
+ 6.4.121 markers 111
+ 6.4.122 mask 111
+ 6.4.123 max_line_length 112
+ 6.4.124 mbox 112
+ 6.4.125 mbox_type 112
+ 6.4.126 menu_context 112
+ 6.4.127 menu_move_off 112
+ 6.4.128 menu_scroll 112
+
+ v
+
+ 6.4.129 message_format 113
+ 6.4.130 meta_key 113
+ 6.4.131 metoo 113
+ 6.4.132 mh_purge 113
+ 6.4.133 mh_seq_flagged 113
+ 6.4.134 mh_seq_replied 114
+ 6.4.135 mh_seq_unseen 114
+ 6.4.136 mime_forward 114
+ 6.4.137 mime_forward_decode 114
+ 6.4.138 mime_forward_rest 114
+ 6.4.139 mix_entry_format 114
+ 6.4.140 mixmaster 115
+ 6.4.141 move 115
+ 6.4.142 msgid_format 115
+ 6.4.143 narrow_tree 116
+ 6.4.144 nntp_ask_followup_to 117
+ 6.4.145 nntp_ask_x_comment_to 117
+ 6.4.146 nntp_cache_dir 117
+ 6.4.147 nntp_catchup 117
+ 6.4.148 nntp_context 117
+ 6.4.149 nntp_followup_to_poster 118
+ 6.4.150 nntp_group_index_format 118
+ 6.4.151 nntp_host 118
+ 6.4.152 nntp_inews 119
+ 6.4.153 nntp_load_description 119
+ 6.4.154 nntp_mail_check 119
+ 6.4.155 nntp_mime_subject 120
+ 6.4.156 nntp_newsrc 120
+ 6.4.157 nntp_pass 120
+ 6.4.158 nntp_post_moderated 120
+ 6.4.159 nntp_reconnect 121
+ 6.4.160 nntp_save_unsubscribed 121
+ 6.4.161 nntp_show_new_news 121
+ 6.4.162 nntp_show_only_unread 121
+ 6.4.163 nntp_user 121
+ 6.4.164 nntp_x_comment_to 122
+ 6.4.165 operating_system 122
+ 6.4.166 pager 122
+ 6.4.167 pager_context 122
+ 6.4.168 pager_format 123
+ 6.4.169 pager_index_lines 123
+ 6.4.170 pager_stop 123
+ 6.4.171 pgp_auto_decode 123
+ 6.4.172 pgp_autoinline 123
+ 6.4.173 pgp_check_exit 124
+ 6.4.174 pgp_clearsign_command 124
+ 6.4.175 pgp_decode_command 124
+ 6.4.176 pgp_decrypt_command 125
+ 6.4.177 pgp_encrypt_only_command 125
+ 6.4.178 pgp_encrypt_sign_command 125
+ 6.4.179 pgp_entry_format 125
+ 6.4.180 pgp_export_command 126
+ 6.4.181 pgp_getkeys_command 126
+
+ vi
+
+ 6.4.182 pgp_good_sign 126
+ 6.4.183 pgp_ignore_subkeys 126
+ 6.4.184 pgp_import_command 127
+ 6.4.185 pgp_list_pubring_command 127
+ 6.4.186 pgp_list_secring_command 127
+ 6.4.187 pgp_long_ids 127
+ 6.4.188 pgp_mime_auto 127
+ 6.4.189 pgp_replyinline 128
+ 6.4.190 pgp_retainable_sigs 128
+ 6.4.191 pgp_show_unusable 128
+ 6.4.192 pgp_sign_as 128
+ 6.4.193 pgp_sign_command 129
+ 6.4.194 pgp_sort_keys 129
+ 6.4.195 pgp_strict_enc 129
+ 6.4.196 pgp_timeout 129
+ 6.4.197 pgp_use_gpg_agent 130
+ 6.4.198 pgp_verify_command 130
+ 6.4.199 pgp_verify_key_command 130
+ 6.4.200 pipe_decode 130
+ 6.4.201 pipe_sep 130
+ 6.4.202 pipe_split 130
+ 6.4.203 pop_auth_try_all 131
+ 6.4.204 pop_authenticators 131
+ 6.4.205 pop_delete 131
+ 6.4.206 pop_host 131
+ 6.4.207 pop_last 132
+ 6.4.208 pop_mail_check 132
+ 6.4.209 pop_pass 132
+ 6.4.210 pop_reconnect 132
+ 6.4.211 pop_user 133
+ 6.4.212 post_indent_string 133
+ 6.4.213 postpone 133
+ 6.4.214 postponed 133
+ 6.4.215 preconnect 133
+ 6.4.216 print 134
+ 6.4.217 print_command 134
+ 6.4.218 print_decode 134
+ 6.4.219 print_split 134
+ 6.4.220 prompt_after 135
+ 6.4.221 query_command 135
+ 6.4.222 quit 135
+ 6.4.223 quote_empty 135
+ 6.4.224 quote_quoted 135
+ 6.4.225 quote_regexp 136
+ 6.4.226 read_inc 136
+ 6.4.227 read_only 136
+ 6.4.228 realname 136
+ 6.4.229 recall 136
+ 6.4.230 record 137
+ 6.4.231 reply_regexp 137
+ 6.4.232 reply_self 137
+ 6.4.233 reply_to 137
+ 6.4.234 resolve 138
+
+ vii
+
+ 6.4.235 reverse_alias 138
+ 6.4.236 reverse_name 138
+ 6.4.237 reverse_realname 138
+ 6.4.238 rfc2047_parameters 139
+ 6.4.239 save_address 139
+ 6.4.240 save_empty 139
+ 6.4.241 save_name 139
+ 6.4.242 score 140
+ 6.4.243 score_threshold_delete 140
+ 6.4.244 score_threshold_flag 140
+ 6.4.245 score_threshold_read 140
+ 6.4.246 send_charset 140
+ 6.4.247 sendmail 141
+ 6.4.248 sendmail_wait 141
+ 6.4.249 shell 141
+ 6.4.250 sidebar_boundary 142
+ 6.4.251 sidebar_delim 142
+ 6.4.252 sidebar_newmail_only 142
+ 6.4.253 sidebar_number_format 142
+ 6.4.254 sidebar_shorten_hierarchy 143
+ 6.4.255 sidebar_visible 143
+ 6.4.256 sidebar_width 143
+ 6.4.257 sig_dashes 143
+ 6.4.258 sig_on_top 144
+ 6.4.259 signature 144
+ 6.4.260 signoff_string 144
+ 6.4.261 simple_search 144
+ 6.4.262 sleep_time 145
+ 6.4.263 smart_wrap 145
+ 6.4.264 smileys 145
+ 6.4.265 smime_ask_cert_label 145
+ 6.4.266 smime_ca_location 145
+ 6.4.267 smime_certificates 145
+ 6.4.268 smime_decrypt_command 146
+ 6.4.269 smime_decrypt_use_default_key 146
+ 6.4.270 smime_default_key 147
+ 6.4.271 smime_encrypt_command 147
+ 6.4.272 smime_encrypt_with 147
+ 6.4.273 smime_get_cert_command 147
+ 6.4.274 smime_get_cert_email_command 147
+ 6.4.275 smime_get_signer_cert_command 147
+ 6.4.276 smime_import_cert_command 148
+ 6.4.277 smime_is_default 148
+ 6.4.278 smime_keys 148
+ 6.4.279 smime_pk7out_command 148
+ 6.4.280 smime_sign_command 149
+ 6.4.281 smime_sign_opaque_command 149
+ 6.4.282 smime_timeout 149
+ 6.4.283 smime_verify_command 149
+ 6.4.284 smime_verify_opaque_command 149
+ 6.4.285 smtp_auth_password 149
+ 6.4.286 smtp_auth_username 150
+ 6.4.287 smtp_host 150
+
+ viii
+
+ 6.4.288 smtp_port 150
+ 6.4.289 sort 150
+ 6.4.290 sort_alias 151
+ 6.4.291 sort_aux 151
+ 6.4.292 sort_browser 152
+ 6.4.293 sort_re 152
+ 6.4.294 spam_separator 152
+ 6.4.295 spoolfile 152
+ 6.4.296 ssl_ca_certificates_file 153
+ 6.4.297 ssl_client_cert 153
+ 6.4.298 ssl_force_tls 153
+ 6.4.299 ssl_min_dh_prime_bits 153
+ 6.4.300 ssl_starttls 153
+ 6.4.301 ssl_use_sslv2 154
+ 6.4.302 ssl_use_sslv3 154
+ 6.4.303 ssl_use_tlsv1 154
+ 6.4.304 ssl_usesystemcerts 154
+ 6.4.305 status_chars 154
+ 6.4.306 status_format 155
+ 6.4.307 status_on_top 157
+ 6.4.308 strict_mailto 157
+ 6.4.309 strict_mime 157
+ 6.4.310 strict_threads 158
+ 6.4.311 strip_was 158
+ 6.4.312 strip_was_regex 158
+ 6.4.313 stuff_quoted 158
+ 6.4.314 suspend 159
+ 6.4.315 text_flowed 159
+ 6.4.316 thorough_search 159
+ 6.4.317 thread_received 159
+ 6.4.318 tilde 159
+ 6.4.319 timeout 160
+ 6.4.320 tmpdir 160
+ 6.4.321 to_chars 160
+ 6.4.322 trash 160
+ 6.4.323 tunnel 160
+ 6.4.324 umask 161
+ 6.4.325 uncollapse_jump 161
+ 6.4.326 use_8bitmime 161
+ 6.4.327 use_domain 161
+ 6.4.328 use_from 161
+ 6.4.329 use_idn 162
+ 6.4.330 use_ipv6 162
+ 6.4.331 user_agent 162
+ 6.4.332 visual 162
+ 6.4.333 wait_key 162
+ 6.4.334 weed 163
+ 6.4.335 wrap_search 163
+ 6.4.336 wrapmargin 163
+ 6.4.337 write_bcc 163
+ 6.4.338 write_inc 163
+ 6.4.339 xterm_icon 164
+ 6.4.340 xterm_leave 164
+
+ ix
+
+ 6.4.341 xterm_set_titles 164
+ 6.4.342 xterm_title 164
+ 6.5 Functions ....................................................... 164
+ 6.5.1 generic 165
+ 6.5.2 index 165
+ 6.5.3 pager 167
+ 6.5.4 alias 169
+ 6.5.5 query 169
+ 6.5.6 attach 169
+ 6.5.7 compose 170
+ 6.5.8 postpone 171
+ 6.5.9 browser 171
+ 6.5.10 pgp 172
+ 6.5.11 editor 172
+
+ 7. Miscellany ............................................................ 172
+ 7.1 Acknowledgments ................................................. 173
+ 7.2 About this document ............................................. 174
+
+ x
+