----- Original Message ----- 
From: "H. Wade Minter" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, November 13, 2003 7:48 AM
Subject: Postfix and SASL2 authentication


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I've been able to get Postfix and SASL1 to authenticate to system
accounts
> under FreeBSD with no problem, but now I'm trying to use SASL2.  I'm
> running into problems.
>
> I built postfix and sasl2 from ports with no problems.  I created
> /usr/local/lib/sasl2/smtpd.conf:
>
> pwcheck_method: saslauthd
> mech_list: plain login
>
> saslauthd is being run with the "-a getpwent" flags from /etc/rc.conf.
>
> Postfix is set up to use SASL:
>
> enable_sasl_authentication = yes
> smtpd_sasl_auth_enable = yes
> smtpd_sasl_security_options = noanonymous
> smtpd_sasl_local_domain = $myhostname
> broken_sasl_auth_clients = yes
>
> However, when I test with a base64-encoded
username\0username\0password
> string, it doesn't authenticate:
>
> Nov 13 07:46:29 taz postfix/smtpd[327]: < localhost[127.0.0.1]: AUTH
PLAIN
> bWludGVyAG1pbnRlcgBjaGFuZ2VtZQ==
> Nov 13 07:46:29 taz postfix/smtpd[327]: smtpd_sasl_authenticate:
> sasl_method PLAIN, init_response bWludGVyAG1pbnRlcgBjaGFuZ2VtZQ==
> Nov 13 07:46:29 taz postfix/smtpd[327]: smtpd_sasl_authenticate:
decoded
> initial response minter
> Nov 13 07:46:29 taz postfix/smtpd[327]: warning: SASL authentication
> failure: Password verification failed
> Nov 13 07:46:29 taz postfix/smtpd[327]: warning: localhost[127.0.0.1]:
> SASL PLAIN authentication failed
> Nov 13 07:46:29 taz postfix/smtpd[327]: > localhost[127.0.0.1]: 535
Error:
> authentication failed
>
> Does anyone know what I'm doing wrong?

Yep.  I went through the same headache.  See my post here:

http://lists.freebsd.org/pipermail/freebsd-security/2003-July/000517.html

Cheers,

Drew

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