I have an Ubuntu 8.04LTS system running Postfix 2.5.1. On that system SMTP AUTH runs fine. The contents of
/etc/postfix/sasl/smtpd.conf are:
pwcheck_method: auxprop
auxprop_plugin: sasldb
mech_list: PLAIN
The SASL-related properties are:
smtpd_sasl_type = cyrus
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = smtpd
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_sasl_local_domain = $myhostname
When I do sudo sasldblistusers2 I get:
authusername@mail.mydomain.com: userPassword
Like I said, that all works fine on the 8.04LTS system.
However, I am trying to migrate this over to an Ubuntu 12.04LTS system running Postfix 2.9.3 and I just cannot get it to work. I'm doing everything the same, but postfix gives authentication failures every time.
It's not the /etc/sasldb2 file. I've tried bringing over the file from the old system and that doesn't work. And I've created a new file using:
saslpasswd2 -c -u mail.mydomain.com authusername
and that doesn't work, though it WILL work on the old system if I copy it to the old system, which is how I know there's nothing wrong with the file.
Similarly, I know postfix is seeing the smtpd.conf file.
If I add more mechanisms to the mech_list line of the file,
I see those extra mechanisms being advertised when I connect
to the smtpd daemon. And when I remove them they go away
again. So /etc/postfix/sasl/smtpd.conf is clearly
getting used.
I am testing both by using an actual mail client and by manually talking to the server after generating a token with this:
perl -MMIME::Base64 -e 'print encode_base64("\000authusername\000thePassword");'
then:
openssl s_client -quiet -starttls smtp -connect the.newsystem.com:587
The resulting conversation is:
250 DSN
EHLO example.com
250-the.newsystem.com
250-PIPELINING
250-SIZE 20971520
250-ETRN
250-AUTH PLAIN
250-AUTH=PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
AUTH PLAIN theBase64EncodedToken
535 5.7.8 Error: authentication failed: authentication failure
But if I instead connect to the.oldsystem.com:587 and do the
same thing, I get:
235 2.7.0 Authentication successful
The output of saslfinger on the new machine is:
# sudoh saslfinger -s
saslfinger - postfix Cyrus sasl configuration Sat Jul 21 00:24:24 EDT 2012
version: 1.0.4
mode: server-side SMTP AUTH
-- basics --
Postfix: 2.9.3
System: Ubuntu 12.04 LTS \n \l
-- smtpd is linked to --
libsasl2.so.2 => /usr/lib/i386-linux-gnu/libsasl2.so.2 (0xb76c5000)
-- active SMTP AUTH and TLS parameters for smtpd --
broken_sasl_auth_clients = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = smtpd
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = cyrus
smtpd_tls_CAfile = /etc/ssl/certs/MyCA.pem
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/postfix/ssl/server.crt
smtpd_tls_key_file = /etc/postfix/ssl/server.key
smtpd_tls_loglevel = 1
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_session_cache_timeout = 3600s
-- listing of /usr/lib/sasl2 --
total 16
drwxr-xr-x 2 root root 4096 Jul 20 23:00 .
drwxr-xr-x 67 root root 8192 Jul 20 21:25 ..
-rw-r--r-- 1 root root 1 May 4 00:17 berkeley_db.txt
-- listing of /etc/postfix/sasl --
total 20
drwxr-xr-x 2 root root 4096 Jul 20 21:29 .
drwxr-xr-x 5 root root 4096 Jul 20 23:58 ..
-rw-r--r-- 1 root root 64 Jul 20 21:29 smtpd.conf
-- content of /etc/postfix/sasl/smtpd.conf --
pwcheck_method: auxprop
auxprop_plugin: sasldb
mech_list: PLAIN
-- content of /etc/postfix/sasl/smtpd.conf --
pwcheck_method: auxprop
auxprop_plugin: sasldb
mech_list: PLAIN
-- active services in /etc/postfix/master.cf --
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (yes) (never) (100)
smtp inet n - - - - smtpd
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
[snipping the rest of the services]
-- mechanisms on localhost --
-- end of saslfinger output --
What could I be missing/doing wrong? As far as I've been able to tell, all the config is the same, yet it will not work on the new system.
