# authenticate (or auth) -- must be followed by an authentication type
# timeout -- must be followed by a numeric timeout value
# envelope -- must be followed by an envelope header name
+# qvirtual -- must be followed by a name prefix
# no envelope
# aka -- must be followed by one or more server aliases
# localdomains -- must be followed by one or more domain names
# interface -- must be followed by device/IP address/mask
-# monitor -- must be followed by IP address
+# monitor -- must be followed by device
# no dns
# dns
#
# folder -- must be followed by remote folder names
# password (or pass) -- must be followed by a password string
# smtphost (or smtp) -- must be followed by host names
+# smtpaddress -- must be followed by a host name
+# antispam -- must be followed by a numeric response value
# mda -- must be followed by an MDA command string
# preconnect (or pre) -- must be followed by an executable command
# postconnect (or post) -- must be followed by an executable command
# limit -- must be followed by numeric size limit
# fetchlimit -- must be followed by numeric msg fetch limit
# batchlimit -- must be followed by numeric SMTP batch limit
+# expunge -- must be followed by numeric delete count
#
# Legal protocol identifiers are
# pop2 (or POP2)
# Legal authentication types are
# login
# kerberos
+# kerberos_v5
#
# Legal global option statements are
#
# set logfile = -- must be followed by a string
# set daemon -- must be followed by a number
# set syslog
+# set invisible
#
# The noise keywords `and', `with', `has', `wants', and `options' are ignored
# anywhere in an entry; they can be used to make it resemble English. The