warning: SASL authentication failure: Password verification failed

[gral]

Hi Falko thanks for your time;

im using centos and used the http://www.howtoforge.com/perfect-se....2-ispconfig-3

[Dakser]

Hi, Id like to know if you could solve this problem because i have the same. Thanks.

[gral]

two things i would check;

1- be sure you have installed cyrus-sasl-plain
2- that the server_id match of the mail_user match with the server id of the server

cheers,

[a.master]

excerpt of /var/log/mail.log

May 7 21:42:27 foo.bar postfix/smtpd[5668]: connect from a123456789.adsl.alicedsl.de[12.34.956.178]
May 7 21:42:30 foo.bar postfix/smtpd[5668]: warning: SASL authentication failure: Password verification failed
May 7 21:42:30 foo.bar postfix/smtpd[5668]: warning: a123456789.adsl.alicedsl.de[12.34.956.178]: SASL PLAIN authentication failed: authentication failure
May 7 21:42:33 foo.bar postfix/smtpd[5668]: warning: a123456789.adsl.alicedsl.de[12.34.956.178]: SASL LOGIN authentication failed: authentication failure

excerpt of /var/mail/auth.log

May 7 21:42:27 h2035294 postfix/smtpd[5668]: sql auxprop plugin using mysql engine
May 7 21:42:28 h2035294 saslauthd[5659]: pam_unix(smtp:auth): check pass; user unknown
May 7 21:42:28 h2035294 saslauthd[5659]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
May 7 21:42:30 h2035294 saslauthd[5659]: DEBUG: auth_pam: pam_authenticate failed: Authentication failure
May 7 21:42:30 h2035294 saslauthd[5659]: do_auth : auth failure: [user=postmaster@foo.bar] [service=smtp] [realm=ccmail.me] [mech=pam] [reason=PAM auth erro$
May 7 21:42:30 h2035294 saslauthd[5660]: pam_unix(smtp:auth): check pass; user unknown
May 7 21:42:30 h2035294 saslauthd[5660]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
May 7 21:42:33 h2035294 saslauthd[5660]: DEBUG: auth_pam: pam_authenticate failed: Authentication failure
May 7 21:42:33 h2035294 saslauthd[5660]: do_auth : auth failure: [user=postmaster@foo.bar] [service=smtp] [realm=ccmail.me] [mech=pam] [reason=PAM auth erro$

The problem caused by the file /etc/pam.d/smtp

#--> commenting out these three lines works fine for me!
##########################
#@include common-auth
#@include common-account
#@include common-password
##########################

auth required pam_mysql.so user=mail_admin passwd=pass_4_mailadmin host=127.0.0.1 db=mail table=users usercolumn=email passwdcolumn=password crypt=1
account sufficient pam_mysql.so user=mail_admin passwd=pass_4_mailadmin host=127.0.0.1 db=mail table=users usercolumn=email passwdcolumn=password crypt=1