server_name=Default hostname for From: addresses,10,-From real hostname,*-From URL
edit_from=Allow editing of From: address,1,1-Yes,0-No (always username@hostname),2-Only the username part
from_map=From: address mapping file,3,None
mail_system=Mail storage format,4,0-Sendmail style single file (mbox),1-Qmail style directory (Maildir),3-MH style directory (MH),2-Remote POP3 server,4-Remote IMAP server
mail_dir=Sendmail mail file location,3,File under home directory
mail_file=Sendmail mail file in home directory,0
mail_qmail=Qmail or MH directory location,3,Subdirectory under home directory
mail_dir_qmail=Qmail or MH directory in home directory,0
mail_style=Mail subdirectory style,4,0-mail/username,1-mail/u/username,2-mail/u/us/username,3-mail/u/s/username
pop3_server=POP3 or IMAP server name,3,<tt>localhost</tt>
send_mode=Send mail via connection to,3,Sendmail executable
sendmail_path=Sendmail command,0
server_attach=Allow attaching of server-side files?,1,1-Yes,0-No
index_min=Minimum mail file size to index,3,Always index
index_dbm=Use DBM files for indexes?,1,2-Always,1-Only for new indexes,0-Never
global_address=Global address book file,3,None
