*** PROBABLY SPAM *** Re: cyradm can't lolgin with --port 993
j.bakshi at unlimitedmail.org
Tue Apr 17 07:38:57 EDT 2007
arnaud at opensquad.com wrote:
> Selon JOYDEEP <j.bakshi at unlimitedmail.org>:
>>> AFAIK, cyradm only supports IMAP not IMAPS. So you got 2 options :
>>> - bind IMAP on your loopback interface and connect locally (or with a
>>> - Listen on IMAP and filter access with your firewall.
> Oups, forgot to CC the list. ;-)
>> thanks a lot for the valuable suggestion. I like to implement the first
>> option you have suggested. could you kindly guide me to implement it ?
>> also I like to know about stunnel, what is it ?
> To enable IMAP on loopback add a line like this in your SERVICES section of your
> imap cmd="imapd -U 30" listen="localhost:imap" prefork=0 maxchild=100
> So now, IMAP service is only bound to 127.0.0.1 (check this with netstat -at).
> The principle of tunnel (stunnel is an implementation along with others) is to
> use a ciphered and maybe authenticated "channel" and send "clear text"
> protocols over it.
> check this site http://www.stunnel.org for stunnel
> or you can use openssl -R option to open a local tunnel to the remote machine.
> for example
> ssh -R 993:mailserver:143 <.....> will open a connection on your local mahcine
> forwarded to imap port on your "mailserver" machine.
THANKS A LOT for th solution
> Arnaud Brugnon
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