lmtp over SSL - lmtps ?

Andreas Hasenack andreas at conectiva.com.br
Wed Mar 2 13:35:52 EST 2005

On Wed, Mar 02, 2005 at 10:03:04AM -0800, Andrew Morgan wrote:
> On Wed, 2 Mar 2005, Olaf Fraczyk wrote:
> >Hi,
> >
> >Is there any way to make communication in a secure way using lmtp?
> >I would like to have postfix and cyrus on separate machines.
> We run postfix and cyrus on separate machines.  On the cyrus machine, we 
> use tcp-wrappers to permit lmtp connections from only our postfix machines 
> (so malicious users cannot inject messages directly).
> I don't see a reason to encrypt the lmtp connection, but maybe that's a 
> requirement in your case.

The DIGEST-MD5 SASL mechanism has support for data encryption if
requested by the client, perhaps lmtp could use it.

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