From: Andreas Winkelmann (mlawinkelmann.de)
Date: Tue May 06 2008 - 14:47:59 CDT

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On Montag, 21. April 2008, rahulsynovel.com wrote:

> I am right now using PAM authentication through saslauthd for SMTP
> authentication. Currently the PAM service name which postfix uses is
> "smtp". Is it possible to change this service name which is being sent to
> PAM via saslauthd?

Only with changing the Postfix Source-Code, this name is static in Postfix.

.../src/smtpd/smtpd_sasl_glue.c
...
/* smtpd_sasl_connect - per-connection initialization */

void smtpd_sasl_connect(SMTPD_STATE *state, const char *sasl_opts_name,
                                   const char *sasl_opts_val)
{
...

    /*
     * Set up a new server context for this connection.
     */
#define SMTPD_SASL_SERVICE "smtp"

    if ((state->sasl_server =
         xsasl_server_create(smtpd_sasl_impl, state->client,
                             SMTPD_SASL_SERVICE, *var_smtpd_sasl_realm ?
                             var_smtpd_sasl_realm : (char *) 0,
                             sasl_opts_val)) == 0)
        msg_fatal("SASL per-connection initialization failed");

...

Change the "smtp" in the #define to what you need.

--
        Andreas

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