## alias_format
## ask-no
## ask-yes
+## assumed_charset
## beep
## beep_new
## bindir
+## charset
## docdir
## dotlock
## dsn_notify
## dsn_return
## editor
+## envelope_from_address
+## file_charset
## gecos_mask
## hcache_backend
## homedir
+## hostname
+## mailcap_path
+## mailcap_sanitize
+## mail_check
## no
+## operating_system
## quit
+## send_charset
## sendmail
+## sendmail_wait
## shell
+## shorthost
+## spam_separator
## sysconfdir
## tmpdir
+## use_8bitmime
+## use_domain
+## use_envelope_from
## username
## version
## yes