Salve!

Mandei uma dvida um tempo atrs e no obtive resposta. Serei o mais claro possvel.


Quero que meus usurios de e-mail se autentiquem para envio de correio. Tenho o sendmail configurado com smtp-auth e isto est funcionando. O problema que o sendmail no est exigindo autenticao.

Assim, se um usurio configura o seu MUA sem autenticao, meu servidor envia o e-mail.

Observando no "Sendmail Installation and Operation Guide", observei que tenho uma forma de requerer autenticao. Vejam o trecho extrado de l, abaixo.

A questo : qual a varivel no MC ou no sendmail.cf para colocar o tal 'l'?

No adianta oferecer autenticao e no requer-la, certo?

Obrigado!

5.1.4.14. srv_features

The srv_features ruleset is called with the connecting client's host name when a client connects to sendmail. This rule set should return $# followed by a list of options (single characters delimited by white space). If the return value starts w ith anything else it is silently ignored. Generally upper case characters turn off a feature while lower case characters turn it on. Option `S' causes the server not to offer STARTTLS, which is useful to interact with MTAs/MUAs that have broken START TLS implementations by simply not offering it. `V' turns off the request for a client certificate during the TLS handshake. Options `A' and `P' suppress SMTP AUTH and PIPELINING, respectively. `c' is the equivalent to AuthOptions=p, i.e., it doesn 't permit mechanisms susceptible to simple passive attack (e.g., PLAIN, LOGIN), unless a security layer is active. Option `l' requires SMTP AUTH for a connection. Options 'B', 'D', 'E', and 'X' suppress SMTP VERB, DSN, ETRN, and EXPN, respectively.
        A    Do not offer AUTH
        a    Offer AUTH (default)
        C    Do not require security layer for
             plaintext AUTH (default)
        c    Require security layer for plaintext AUTH
        L    Do not require AUTH (default)
        l    Require AUTH


FreeBSD 5.3
Sendmail 8.13.1

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