document "allowed_hosts" function

diff --git a/html/doc-mail.wml b/html/doc-mail.wml
index e711989..6ad70d7 100644 (file)
--- a/html/doc-mail.wml
+++ b/html/doc-mail.wml
@@ -108,6 +108,17 @@ which will set the authentication key to the identity you are using.
 
 Multiple keys per user are supported, but they must all be sent at once.
 
 
 Multiple keys per user are supported, but they must all be sent at once.
 

+Keys can be exported to specific machines only be prepending
+<b>allowed_hosts=$fqdn,$fqdn2</b> to the specific key. The allowed machines
+must only be separeted by a comma.
+
+<i>Example:</i>
+<pre>
+# cat .ssh/debian-machines.pub
+allowed_hosts=ravel.debian.org,gluck.debian.org ssh-rsa AAAAB3Nz..mOX/JQ== user@machine
+ssh-rsa AAAAB3Nz..uD0khQ== user@machine
+</pre>
+

 <li>RBL, RHSBL, and whitelists can only be updated via the mail gateway.  Like
 DNS and ssh keys, any list specified must be specified in its enterity.  The format is:
 <b>listtype</b> <b>dns.domain.of.rbl/IP to whitelist</b> where listtype is one of mailRBL,
 <li>RBL, RHSBL, and whitelists can only be updated via the mail gateway.  Like
 DNS and ssh keys, any list specified must be specified in its enterity.  The format is:
 <b>listtype</b> <b>dns.domain.of.rbl/IP to whitelist</b> where listtype is one of mailRBL,