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Postfix + SASL Authentication failed



Hi,

The problem is I can not get authentication successful in my Postfix + SASL
server.

SASL is enabled in the server, as you can see in the attached syslog
fragment.  It fails. I would like know what is the cause?.

Posibilities / Rationale
    A) /etc/passwd, /etc/shadow      Bad permisions.
    B) /usr/lib/sasl/smtpd.conf      Mistaken.
    C) Bad configuration of main.cf?    You can see it attached.
    D) Bad configuration of master.cf?    You can see it attached.

    Any other posibility?.


Rationale:

A) I have set read access to all users, only to check it is not the cause.

B) I have realized serveral checks, with both shadow and pwcheck.
    pwcheck_method: shadow
    pwcheck_method: pwcheck

    My host use /etc/shadow to keep the passwords.

    I know I have to use 'shadow'. Anyway I have always checked both
    shadow and pwcheck.

    I have copied the file in both /usr/lib/sasl/ and /usr/local/lib/sasl/
directories.


A special thing which I have noted is that if I remove all the smtpd.conf
files in the system I get the same "Authentication failed" message!.


Note:  I have removed the chrooted option in the master.cf file.

Regards,
Davi Leal

--
The system is a Debian GNU/Linux 3.0 (woody)
Oct 30 14:18:06 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 220 excalibur.ene.es ESMTP Postfix (Debian/GNU)
Oct 30 14:18:06 excalibur postfix/smtpd[341]: connect from 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]
Oct 30 14:19:09 excalibur postfix/smtpd[341]: < 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: EHLO 80-25-136-215.uc.nombres.ttd.es
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-excalibur.ene.es
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-PIPELINING
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-SIZE 204800000
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-VRFY
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-ETRN
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-AUTH LOGIN PLAIN CRAM-MD5 GSSAPI
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-AUTH=LOGIN PLAIN CRAM-MD5 GSSAPI
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250-XVERP
Oct 30 14:19:09 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 250 8BITMIME
Oct 30 14:19:26 excalibur postfix/smtpd[341]: < 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: AUTH PLAIN aGVsbG8AaGVsbG8AaGVsbG8=
Oct 30 14:19:26 excalibur postfix/smtpd[341]: smtpd_sasl_authenticate: sasl_method PLAIN, init_response aGVsbG8AaGVsbG8AaGVsbG8=
Oct 30 14:19:26 excalibur postfix/smtpd[341]: smtpd_sasl_authenticate: decoded initial response hello
Oct 30 14:19:26 excalibur postfix/smtpd[341]: warning: 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: SASL PLAIN authentication failed
Oct 30 14:19:26 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 535 Error: authentication failed
Oct 30 14:19:36 excalibur postfix/smtpd[341]: < 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: quit
Oct 30 14:19:36 excalibur postfix/smtpd[341]: > 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]: 221 Bye
Oct 30 14:19:36 excalibur postfix/smtpd[341]: disconnect from 80-25-136-215.uc.nombres.ttd.es[80.25.136.215]

Attachment: etc-postfix-main.cf
Description: Binary data

Attachment: etc-postfix-master.cf
Description: Binary data


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