mention double-quoted hostnames

diff --git a/man/chpobox.1 b/man/chpobox.1
index 34e9ba07687c116e3b5dbe52b3072c474282a207..0b64b424d3c35515ea307e7650a9cfaee1ac9861 100644 (file)
--- a/man/chpobox.1
+++ b/man/chpobox.1
@@ -30,10 +30,24 @@ of the machine the user wishes to receive mail on.
 will determine if the mailbox is of type POP, LOCAL, or FOREIGN based
 on information in the SMS database, and then make the appropriate
 change in the SMS database.
+
 It will not allow a user to have more than one mailbox of any type.
 The actual change will not take place on the mail hub for several hours.
 Users may only change their own information unless they are
 SMS database administrators.
+
+When a mailbox is stored in the central database, any host mentioned
+will have it's name canonicalized to a standard form.  If for some
+reason you don't want to have the hostname canonicalized, put
+.B just the hostname
+in double-quotes.  For example, the command
+.nf
+.nj
+       chpobox -s jrhacker@\\"lcs.mit.edu\\"
+.fi
+will not be canonicalized to jrhacker@ptt.lcs.mit.edu, as it would
+otherwise.  Also note that the double-quotes were preceded by
+backslashes to get them past the shell.
 .SH "SEE ALSO"
 sms(1),
 SMS Section of the Project Athena Technical Plan.