On Wed, Feb 11, 2009 at 10:07:18PM -0200, Alejandro Cabrera wrote:

> Dear all, I have Postfix + TLS and have this two lines in my main.cf 
> <http://main.cf>:
>
> #For daemon component
> smtpd_tls_security_level = may

Mail your receive from others.

> #For client component
> smtp_tls_security_level = may

Mail you send to others.

> But I'm confused because if I use:
>
> smtpd_tls_security_level = encrypt

Force senders to use TLS when sending your email

> smtp_tls_security_level = encrypt

Only deliver email to receiving systems that do TLS.

> Is there any manner to force TLS connectiosn only for my LAN mail clients 
> and not for the SMTP servers from Internet ???


    <http://www.postfix.org/postconf.5.html#reject_plaintext_session>

    main.cf:
        smtpd_sender_restrictions =
            check_client_access cidr:/etc/postfix/client_access

    client_access:
        192.0.2.0/24    reject_plaintext_session

-- 
        Viktor.

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